3 literature references for Cribrochalina variabilis Vosmaer, 1882:

Author: Van Soest, R.W.M.
Year: 2001
Title: Porifera, in: Costello, M.J. et al. (Ed.) (2001).
Source: European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50:
Author: Vosmaer, G.C.J.
Year: 1882
Title: Report on the sponges dredged up in the Arctic Sea by the ‘Willem Barents’ in the years 1878 and 1879.
Source: Niederländisches Archiv für Zoologie Supplement 1(3): 1-58, pls I-IV.
Author: Van Soest, R.W.M.; Hajdu, E.
Year: 2002
Title: Family Esperiopsidae Hentschel, 1923.