First issued in release COL21.4.
Last used in release COL23.9
Published in
Eichwald, C. E. (1850). Палеонтологiя Россiи. Новый перiодъ - Palaeontology of Russia. New Period]. Tipografija Ya. Ionsona [E. Pratz or R. Golike] Sanct Petersburg, 1–284. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=290771