Incertae sedis, but likely to be an ascidian. cf. Topsent (1933: 24). [details]
type locality unknown [details]
Lamarck (1814) gave Mediterranean Sea as its origin, but Iotrochota species do not occur in the Mediterranean. ... [details]
type locality doubtful "Indian Ocean" [details]
According to Topsent (1933) the variety beta of Spongia pannea is an Australian sponge belonging to the genus ... [details]
Unknown, but assumed to be from the Caribbean [details]