Protoschmidtia foraminosa f. mamillata Czerniavsky, 1880
Protoschmidtia foraminosa f. mamillata Czerniavsky, 1880: 99.
Described by Czerniavsky from Sebastopol, Crimea approximate coordinates 44.62°N 33.5°E (syntype (or holotype) ZIN-RAS 11405).
As indicated above I propose to merge the forma with the species Haliclona foraminosa (Czerniavsky, 1880) .