Correcting sponge names: nomenclatural update of lower taxa level Porifera Author Van Soest, Rob W. M. text Zootaxa 2024 2024-01-09 5398 1 1 122 http://dx.doi.org/10.11646/zootaxa.5398.1.1 journal article 10.11646/zootaxa.5398.1.1 1175-5334 10494167 E233F731-D5FA-4032-B3A4-CEFE5A809C49 Spongia equina subsp. cerebriformis var. divisa Hyatt, 1877 Spongia equina subsp. cerebriformis var. divisa Hyatt, 1877: 521 . 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 Key West, Florida to Spongia (Spongia) obscura Wiedenmayer, 1977 .