Spongia equina subsp. cerebriformis var. caliciformis Hyatt, 1877
Spongia equina subsp. cerebriformis var. caliciformis Hyatt, 1877: 521, pl. 15 fig.9.
Spongia obscura Wiedenmayer, 1977: 56 .
Hyatt’s name is not an available name (as it has a fourth name, ICZN art. 45.5). As proposed below, I assign this material from Nassau, Bahamas to Spongia (Spongia) obscura Wiedenmayer, 1977 .