How to cite the Catalogue of Life monthly edition on the Web:

Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds. (2017). Species 2000 & ITIS Catalogue of Life, 23rd December 2016. Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

How to cite the Annual Checklist on the web:

Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds. (2017). Species 2000 & ITIS Catalogue of Life, 23rd December 2016. Digital resource at www.catalogueoflife.org/annual-checklist/2016. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.

How to cite the Annual Checklist on DVD:

Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds. (2017). Species 2000 & ITIS Catalogue of Life, 23rd December 2016. DVD. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-917X.

How to cite individual databases included in this work:

3i Cicadellinae
Takiya D. & Dmitriev D. (2017). 3i Cicadellinae: 3i interactive keys and taxonomic databases, subfamily Cicadellinae (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

3i Cicadoidea
Sanborn A. & Dmitriev D. (2017). 3i Cicadoidea: 3i interactive keys and taxonomic databases, superfamily Cicadoidea (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

3i Curculio
Yunakov N. (2017). 3i Curculio: 3i taxonomic databases, Curculionidae, subfamily Entiminae (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

3i Typhlocybinae
Dmitriev D. (2017). 3i Typhlocybinae: 3i interactive keys and taxonomic databases, subfamily Typhlocybinae (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

AnnonBase
Rainer H. & Chatrou L.W. (eds) (2017). AnnonBase: Annonaceae GSD (version Jan 2014). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

AphidSF
Favret C. (2017). AphidSF: Aphid Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

BdelloideaBase
Den Heyer J. & Hernandes F.A. (2017). BdelloideaBase: Bdellid & Cunaxid Databases (version Feb 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Brachiopoda Database
Emig C.C., Bitner M.A., Alvarez F. (2017). Brachiopoda Database (version Feb 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Brassicaceae
Warwick S.I., Francis A. & Al-Shehbaz I.A. (2017). Brassicaceae species checklist and database (version 2, Oct 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Brentids
Sforzi A., Bartolozzi L. (eds); Cianferoni F. & Zinetti F. (data managers) (2017). Brentids: Brentidae of the World (version 5, Feb 2014). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

CarabCat
Lorenz W. (2017). CarabCat: Global database of ground beetles (version Sep 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

CCW
Oosterbroek P. (2017). CCW: Catalogue of Craneflies of the World (version Jul 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ChenoBase
Walter J. (2017). ChenoBase: Chenopodiaceae GSD (version Jan 2014). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ChiloBase
Minelli A. (ed) (2017). ChiloBase: A World Catalogue of Centipedes (Chilopoda) for the web (version 1.01, May 2006). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ChrysididaeSF
Baker E. (2017). ChrysididaeSF: Chrysididae Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

CilCat
Aescht E. (2017). CilCat: The World Ciliate Catalog (version 4.0, Jan 2012). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

CIPA
Vignes-Lebbe R. & Gallut C. (2017). CIPA: Computer Aided Identification of Phlebotomine sandflies of Americas (version 3, Mar 2011). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

CockroachSF
Beccaloni G.W. (2017). CockroachSF: Cockroach Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

CoL China
Ma K., Ji L., Qin H., Liu J.Y., Yao Y., Lin C., Yan H., Wang L., Qiao H. & Li R. (eds) (2017). Catalogue of Life China (version 2012). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

CoL Management Classification
Ruggiero M.A., Gordon D.P., Orrell T.M., Bailly N., Bourgoin T., Brusca R.C., Cavalier-Smith T., Guiry M.D., Kirk P.M. (2017). CoL Management Classification: A Higher Level Classification of All Living Organisms (version 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Conifer Database
Farjon A., Gardner M. & Thomas P. (2017). Conifer Database (version Jan 2014). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

COOL
Soulier-Perkins A. (2017). COOL: Cercopoidea Organised On Line (version Feb 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

CoreoideaSF
CoreoideaSF Team (2017). CoreoideaSF: Coreoidea Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

DermapteraSF
Hopkins H., Maehr M.D., Haas F. & Deem L.S. (2017). DermapteraSF: Dermaptera Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Dothideomycetes
Crous P.W. et al. (2017). Dothideomycetes (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Droseraceae Database
Culham A. & Yesson C. (2017). Droseraceae Database (version 0.1, Dec 2008). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ELPT
Söderström L., Hagborg A., Konrat M. von. For a full list of contributors and collaborators see: http://www.early-land-plants-today.org/Home/participants-and-collaborators. (2017). ELPT: Early Land Plants Today - Uniting Taxonomy, Nomenclature & Geography (liverworts and hornworts) (version 1.1, Oct 2011). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

EmbiopteraSF
Maehr M.D. & Eades D.C. (2017). EmbiopteraSF: Embioptera Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ETI WBD (Euphausiacea)
Brinton E., Ohman M.D., Townsend A.W., Knight M.D. & Bridgeman A.L. (eds of Euphausiacea) (2017). ETI WBD: World Biodiversity Database (Euphausiacea) (version 2.1, Nov 2002). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FADA Cladocera
Kotov A., Forró L., Korovchinsky N.M., Petrusek A. (2017). FADA Cladocera: World checklist of freshwater Cladocera species (version Jan 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FADA Copepoda
Boxshall G.A. & Defaye D. (2017). FADA Copepoda: World checklist of freshwater Copepoda species (version Aug 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FADA Ephemeroptera
Barber-James H., Sartori M., Gattolliat J.-L. & Webb J. (2017). FADA Ephemeroptera: World checklist of freshwater Ephemeroptera species (version Feb 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FADA Halacaridae
Bartsch I. (2017). FADA Halacaridae: World checklist of freshwater Halacaridae species (version Jan 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FADA Nematomorpha
Schmidt-Rhaesa A. (2017). FADA Nematomorpha: World checklist of freshwater Nematomorpha species (version Dec 2010). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FADA Rotifera
Segers H. (2017). FADA Rotifera: Annotated checklist of the rotifers (Phylum Rotifera) (version May 2012). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FADA Turbellaria
Artois T., Schockaert E. & Tyler S. (2017). FADA Turbellaria: World checklist of freshwater Turbellaria species (version Feb 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FaEu Turbellaria
Noreña C. & Faubel A. (2017). Fauna Europaea, subphylum Turbellaria (Platyhelminthes) (version 2.6.2, Aug 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FishBase
Froese R. & Pauly D. (eds) (2017). FishBase (version Oct 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

FLOW
Bourgoin T. (2017). FLOW: Fulgoromorpha Lists On the WEB (version 8, Jan 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

GCC
Flann C. (ed) (2017). GCC: Global Compositae Checklist (version 5 (Beta), Jun 2014). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Global Gracillariidae
De Prins J. & De Prins W. (2017). Global Gracillariidae: Global Taxonomic Database of Gracillariidae (version Jan 2011). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

GloBIS (GART)
Häuser C., Holstein J., Kroupa A.S., Steiner A. & Turiault M. (eds) (2017). GloBIS (GART): Global Butterfly Information System (version Sep 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Glomeromycota
Schüßler A. (2017). Glomeromycota (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

GrylloblattodeaSF
Hopkins H. & Maehr M.D. (2017). GrylloblattodeaSF: Grylloblattodea Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Hexacorals
Fautin D.G. (2017). Hexacorals: Hexacorallians of the World (version Jul 2001). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

HymIS
Kroupa A.S., Lohrmann V., Pulawski W.J. & Schmid-Egger C. (2017). HymIS: Hymenoptera Information System (version Sep 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ICTV_MSL
Lefkowitz E.J. (ed) (2017). ICTV/MSL: International Committee on Taxonomy of Viruses / Master Species List (version Oct 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ILDIS
Roskov Y., Zarucchi J., Novoselova M. & Bisby F.(†) (eds) (2017). ILDIS World Database of Legumes (version 12, May 2014). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

IOPI-GPC
Wilson K.L. & Berendsohn W.G. (eds) (2017). IOPI Global Plant Checklist (version 10.0, Aug 2007). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ITIS Bees
Ruggiero M. (project leader), Ascher J. et al. (2017). ITIS Bees: World Bee Checklist (version Sep 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ITIS Global
Orrell T. (custodian) (2017). ITIS Global: The Integrated Taxonomic Information System (version Apr 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ITIS Regional
Orrell T. (custodian) (2017). ITIS Regional: The Integrated Taxonomic Information System (version Oct 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Lace Bugs Database
Guilbert E. (2017). Lace Bugs Database (Hemiptera: Tingidae) (version Feb 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

LDL Neuropterida
Oswald J.D. (2017). LDL Neuropterida Species of the World (version Oct 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

LecyPages
Mori S.A., Prance G.T. & Tulig M. (2017). LecyPages: The Lecythidaceae Pages (version Oct 2006). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

LepIndex
Beccaloni G., Scoble M., Kitching I., Simonsen T., Robinson G., Pitkin B., Hine A. & Lyal C. (2017). LepIndex: The Global Lepidoptera Names Index (version 12.3, Jan 2012). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

LHD
Young F.E. (2017). LHD: Lacistemataceae Holistic Database (version Oct 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

LIAS
Rambold G. (lead editor; for detailed information see http://liaslight.lias.net/About/Impressum.html and http://liasnames.lias.net/About/Impressum.html) (2017). LIAS: A Global Information System for Lichenized and Non-Lichenized Ascomycetes (version Dec 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

LygaeoideaSF
Dellapé P.M. & Thomas J.H. (2017). LygaeoideaSF: Lygaeoidea Species File (version 5.0/5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

MantodeaSF
Otte D., Spearman L. & Stiewe M.B.D. (2017). MantodeaSF: Mantodea Species File (version 5.0/5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

MantophasmatodeaSF
Maehr M.D. & Hopkins H. (2017). MantophasmatodeaSF: Mantophasmatodea Species File (version 5.0/5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

MBB
Burckhardt D. (2017). MBB: Moss Bug Base (version 1.0, Sep 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Microsporidia
Kirk P.M. (2017). Microsporidia: Unicellular spore-forming protozoan parasites (version Nov 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

MOST
Crosby M.R. & Magill R. (eds) (2017). MOST: Moss TROPICOS Database (version 1, Jul 2004). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

MOWD
McKamey S. (2017). MOWD: Membracoidea of the World Database (version 1011, Nov 2010). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Nepticuloidea
Nieukerken E.J. van (ed) (2017). Nepticuloidea: Nepticulidae and Opostegidae of the World (version Oct 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Nomen.eumycetozoa.com
Lado C. & Hernández-Crespo J.C. (2017). Nomen.eumycetozoa.com: An online nomenclatural information system of Eumycetozoa (version Dec 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

NZIB
Gordon D. (ed) (2017). NZIB: New Zealand Inventory of Biodiversity (version Jun 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Odonata
Tol J. van (2017). Odonata: Global Species Database of Odonata (version Dec 2011). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

OlogamasidBase
Castilho R.C., Silva E.S. & Moraes G.J. de (2017). Mites GSDs: OlogamasidBase (version Oct 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

OrthopteraSF
Eades D.C., Otte D., Cigliano M.M., Braun H. (2017). OrthopteraSF: Orthoptera Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Parhost
Medvedev S., Lobanov A. & Lyangouzov I. (2017). Parhost: World Database of Fleas (version 2, Nov 2005). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

PBI Plant Bug
Schuh R.T. (2017). PBI Plant Bug: On-line Systematic Catalog of Plant Bugs (Insecta: Heteroptera: Miridae) (version Mar 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

PhasmidaSF
Brock P. (2017). PhasmidaSF: Phasmida Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Phoronida Database
Emig C.C. (2017). Phoronida Database (version Feb 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Phyllachorales
Cannon P.F. (2017). Phyllachorales (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

PhytoseiidBase
Castilho R.C., Narita J.P.Z., Moraes G.J. de & McMurtry J.A. (2017). Mites GSDs: PhytoseiidBase (version Sep 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

PlecopteraSF
DeWalt R.E.; Maehr M., New-Becker U. & Stueber G. (2017). PlecopteraSF: Plecoptera Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

PsocodeaSF
Johnson K.P., Smith V.S. & Eades D.C. (2017). PsocodeaSF: Psocodea Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Psyllist
Ouvrard D. (2017). Psyl'list: Psylloidea database (version Feb 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ReptileDB
Uetz P. & Hošek J. (2017). The Reptile Database (version Dec 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

RhodacaridBase
Castilho R.C. & Moraes G.J. de (2017). Mites GSDs: RhodacaridBase (version Oct 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Rhytismatales
Minter D.W. (2017). Rhytismatales (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

RJB Geranium
Aedo C. (2017). RJB Geranium: Geranium Taxonomic Information System (version Jul 2012). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Saccharomycetes
Offord L.C. & Kirk P.M. (2017). Saccharomycetes (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ScaleNet
Ben-Dov Y. & Miller D.R. (2017). ScaleNet: Systematic Database of the Scale Insects of the World (version Dec 2004). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Scarabs
Schoolmeesters P. (2017). Scarabs: World Scarabaeidae Database (version Jul 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Solanaceae Source
Knapp S., Walley L., Bohs L., Nee M. & Spooner D. (eds) (2017). Solanaceae Source (version 200811, Nov 2008). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Species 2000 Common Names
Froese R. (2017). Species 2000 additional Common Names for the Catalogue of Life (version Jan 2006). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Species Fungorum
Kirk P.M. (2017). Species Fungorum (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

SpmWeb
Migeon A. & Dorkeld F. (2017). SpmWeb: Spider Mites Web (version Jul 2011). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Strepsiptera Database
Kathirithamby J. (2017). Strepsiptera Database: Global Strepsiptera Database (version Feb 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

SysMyr
Spelda J. (2017). SysMyr: Systematic Myriapod Database (version Apr 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Systema Dipterorum
Pape T. & Thompson F.C. (eds) (2017). Systema Dipterorum (version 2.0, Jan 2011). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Taxapad Ichneumonoidea
Yu D.S.K. (2017). Taxapad Ichneumonoidea (version May 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

TenuipalpidBase
Mesa N.C., Ochoa R., Welbourn W.C., Evans G.A., Castilho R.C. & Moraes G.J. de (2017). Mites GSDs: TenuipalpidBase (version Nov 2009). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Tessaratomidae Database
Magnien P. (2017). Tessaratomidae Database: Illustrated catalog of Tessaratomidae (version 1, Aug 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

The Scorpion Files
Rein J.O. (ed) (2017). The Scorpion Files (version Jun 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

The White-Files
Ouvrard D. & Martin J.H. (2017). The White-Files: Taxonomic checklist of the world’s whiteflies (Insecta: Hemiptera: Aleyrodidae) (version Feb 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

The World List of Cycads
Calonje M., Stanberg L. & Stevenson D. (eds) (2017). The World List of Cycads, online edition (version Jun 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

TicksBase
Nijhof A.M., Guglielmone A.A. & Horak I.G. (2017). TicksBase (version 5.6, Jun 2005). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Tineidae NHM
Robinson G.S (†) (2017). Tineidae NHM: Global Taxonomic Database of Tineidae (Lepidoptera) (version 9.0, Nov 2011). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

TITAN
Tavakilian G. & Chevillotte H. (2017). TITAN: Cerambycidae database (version Apr 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Trichomycetes
Lichtwardt R.W. (2017). Trichomycetes (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

UCD
Noyes J. (2017). UCD: Universal Chalcidoidea Database (version Sep 2007). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

URMO
Land J. van der (ed) (†) (2017). URMO: UNESCO-IOC Register of Marine Organisms (version Nov 2008). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WCSP
Govaerts R. (ed). For a full list of reviewers see: http://apps.kew.org/wcsp/compilersReviewers.do (2017). WCSP: World Checklist of Selected Plant Families (version Sep 2014). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

World Ferns
Hassler M. (2017). World Ferns: Checklist of Ferns and Lycophytes of the World (version Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

World Plants
Hassler M. (2017). World Plants: Synonymic Checklists of the Vascular Plants of the World (version Nov 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Acoelomorpha
Tyler S., Artois T. . (2017). WoRMS Acoelomorpha: World list of Acoelomorpha (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Asteroidea
Mah C.L. . (2017). WoRMS Asteroidea: World Asteroidea database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Bochusacea
Boxshall G.A. . (2017). WoRMS Bochusacea: World List of Bochusacea (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Brachypoda
Boxshall G.A. . (2017). WoRMS Brachypoda: World List of Brachypoda (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Brachyura
Ng P.K.L. & Davie P. (2017). WoRMS Brachyura: World List of marine Brachyura (version 2015-09-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Bryozoa
Bock P., Gordon D. . (2017). WoRMS Bryozoa: World List of Bryozoa (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Cephalochordata
Nishikawa T. . (2017). WoRMS Cephalochordata: World list of Cephalochordata (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Cestoda
Bray R. & Tyler S. (2017). WoRMS Cestoda: World list of Cestoda (version Feb 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Chaetognatha
Thuesen E.V. & Pierrot-Bults A. . (2017). WoRMS Chaetognatha: World list of Chaetognatha (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Cumacea
Watling L., Gerken S. . (2017). WoRMS Cumacea: World Cumacea database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Echinoidea
Kroh A. & Mooi R. . (2017). WoRMS Echinoidea: World Echinoidea Database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Foraminifera
Hayward B.W., Cedhagen T., Kaminski M., Gross O. . (2017). WoRMS Foraminifera: World Foraminifera Database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Gastrotricha
Todaro A., d'Hondt J-L. & Hummon W. . (2017). WoRMS Gastrotricha: World Gastrotricha Database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Gnathostomulida
Sterrer W. . (2017). WoRMS Gnathostomulida: World list of Gnathostomulida (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Holothuroidea
Paulay G. . (2017). WoRMS Holothuroidea: World List of Holothuroidea (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Hydrozoa
Schuchert P. . (2017). WoRMS Hydrozoa: World Hydrozoa database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Isopoda
Boyko C.B, Bruce N.L., Merrin K. L., Ota Y., Poore G.C.B., Taiti S., Schotte M. & Wilson G.D.F. (Eds) (2008 onwards). (2017). WoRMS Isopoda: World Marine, Freshwater and Terrestrial Isopod Crustaceans database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Kinorhyncha
Neuhaus B. . (2017). WoRMS Kinorhyncha: World list of Kinorhyncha (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Leptostraca
Mees J., Walker-Smith G. . (2017). WoRMS Leptostraca: World List of Leptostraca (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Merostomata
Boxshall G. . (2017). WoRMS Merostomata: World list of Merostomata (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Mollusca
Bieler R., Bouchet P., Dijkstra H., Faber M., Finn J., Garcia-Alvarez O., Gofas S., La Perna R., Marshall B., Moretzsohn F., Neubauer T.A., Rosenberg G., Sartori A.F., Schneider S., Taylor J., ter Poorten J.J., Vos C. (eds) (2017). WoRMS Mollusca: MolluscaBase (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Monogenea
Gibson D., Bray R. (2017). WoRMS Monogenea: World list of Monogenea (version Feb 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Mystacocarida
Boxshall G.A. . (2017). WoRMS Mystacocarida: World List of Mystacocarida (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Myxozoa
Adlard R., Feist S. & Longshaw M. (2017). WoRMS Myxozoa: World list of Myxozoa (version Feb 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Nemertea
Norenburg J., Gibson R. . (2017). WoRMS Nemertea: World Nemertea database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Octocorallia
Hoeksema B. . (2017). WoRMS Octocorallia: World list of Octocorallia (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Oligochaeta
Timm T. & Erséus C. . (2017). WoRMS Oligochaeta: World List of Marine Oligochaeta (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Ophiuroidea
Stöhr S., O’Hara T. & Thuy B. (Eds) . (2017). WoRMS Ophiuroidea: World Ophiuroidea database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Orthonectida
(2017). WoRMS Orthonectida: World list of Orthonectida (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Placozoa
Schierwater B., Eitel M., DeSalle R. . (2017). WoRMS Placozoa: World Placozoa Database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Polychaeta
Read G., Fauchald K. (Ed.) . (2017). WoRMS Polychaeta: World Polychaeta database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Polycystina
Lazarus D. . (2017). WoRMS Polycystina: World list of Polycystina (Radiolaria) (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Porifera
Van Soest R.W.M, Boury-Esnault N., Hooper J.N.A., Rützler K., de Voogd N.J., Alvarez de Glasby B., Hajdu E., Pisera A.B., Manconi R., Schoenberg C., Klautau M., Picton B., Kelly M., Vacelet J., Dohrmann M., Díaz M.-C., Cárdenas P., Carbal (2017). WoRMS Porifera: World Porifera database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Priapulida
Neuhaus B. . (2017). WoRMS Priapulida: World list of Priapulida (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Proseriata-Kalyptorhynchia
Artois T., Schockaert E. & Tyler S. (2017). WoRMS Proseriata-Kalyptorhynchia: World database of Proseriata and Kalyptorhynchia (version 2015-10-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Remipedia
Koenemann S., Hoenemann M., Stemme T. . (2017). WoRMS Remipedia: World Remipedia Database (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Rhombozoa
(2017). WoRMS Rhombozoa: World list of Rhombozoa (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Tanaidacea
Anderson G., Blazewicz M. . (2017). WoRMS Tanaidacea: World List of Tanaidacea (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Tantulocarida
Boxshall G. A. . (2017). WoRMS Tantulocarida: World List of Tantulocarida (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Thermosbaenacea
Poore G. . (2017). WoRMS Thermosbaenacea: World List of Thermosbaenacea (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Trematoda
Cribb T. & Gibson D. (2017). WoRMS Trematoda: World list of Trematoda (version Feb 2013). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WoRMS Xenoturbellida
Gofas S. . (2017). WoRMS Xenoturbellida: World List of Xenoturbellida (version 2016-12-01). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WSC
Kropf C., Nentwig W., Gloor D. (Organizing Board) (2017). WSC: World Spider Catalog (version 17.0, Jul 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WTaxa
Alonso-Zarazaga M.A. & Lyal C.H.C. (authors), Sánchez-Ruiz M. (technical editor) (2017). WTaxa: Electronic Catalogue of Weevil names (Curculionoidea) (version Oct 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

WWW
Maslin B. (2017). WWW: World Wide Wattle (version 2.0, Dec 2015). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Xylariaceae
Ju Y.M. & Rogers J. (2017). Xylariaceae: Home of the Xylariaceae (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ZOBODAT Vespoidea
Gusenleitner J. (2017). ZOBODAT: Zoological-Botanical Database (Vespoidea) (version 4.0, Oct 2011). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

ZorapteraSF
Maehr M.D. & Hopkins H. (2017). ZorapteraSF: Zoraptera Species File (version 5.0, Dec 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.

Zygomycetes
Kirk P.M. (2017). Zygomycetes (version Jan 2016). In: Species 2000 & ITIS Catalogue of Life, 23rd December 2016 (Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, eds). Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.