2 literature references for Astroplakina stelligera Dendy & Burton, 1926:

Author: Dendy, A.; Burton, M.
Year: 1926
Title: Report on some deep-sea sponges from the Indian Museum collected by the R.I.M.S. ‘Investigator’. Part I. Hexactinellida and Tetractinellida (pars).
Source: Records of the Indian Museum 28(4): 225-248.
Author: Uriz, M.J.
Year: 2002
Title: Family Ancorinidae Schmidt, 1870
Source: in: Hooper, J.N.A.; Van Soest, R.W.M. (Ed.) (2002). Systema porifera: a guide to the classification of sponges.