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''Staurocalyptus'' is a genus of
Ijima circumscribed ''Staurocalyptus'' as a genus in the family Rossellidae. His initial taxonomy included three newly described species and two transferred from ''Rhabdocalyptus''. Ijimi did not designate a
sponge
Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate throug ...
. It was circumscribed in 1897 by Isao Ijima
was a Japanese zoologist known for his studies of sponges (Porifera) — including his circumscription of the genus '' Staurocalyptus'' — leeches (Hirudinea), flatworms (Turbellaria), birds, and fish. Professor of Zoology at Tokyo Imperial U ...
.
Taxonomy
Ijima circumscribed ''Staurocalyptus'' as a genus in the family Rossellidae. His initial taxonomy included three newly described species and two transferred from ''Rhabdocalyptus''. Ijimi did not designate a type species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specime ...
; in 1967 V. M. Koltun designated ''Rhabdocalyptus dowlingi'' as the type species. A 2002 revision of Rossellidae by K. R. Tabachnick demoted ''Staurocalyptus'' to be a subgenus of '' Acanthascus'' and designated a new type species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specime ...
: ''Staurocalyptus glaber'' . However, , WoRMS Worms may refer to:
*Worm, an invertebrate animal with a tube-like body and no limbs
Places
*Worms, Germany
Worms () is a city in Rhineland-Palatinate, Germany, situated on the Upper Rhine about south-southwest of Frankfurt am Main. It had ...
still classifies ''Staurocalyptus'' as a genus and follows Koltun's type species designation, not that of Tabachnick.
Distribution
Its species are found in the Pacific Ocean, at a depth of .Species
, WoRMS recognizes the following seventeen species: * '' Staurocalyptus affinis * '' Staurocalyptus celebesianus * '' Staurocalyptus dowlingi'' * '' Staurocalyptus entacanthus'' * '' Staurocalyptus fasciculatus'' * '' Staurocalyptus fuca'' * '' Staurocalyptus glaber'' * '' Staurocalyptus hamatus'' * '' Staurocalyptus heteractinus'' * '' Staurocalyptus microchetus'' * '' Staurocalyptus pleorhaphides'' * '' Staurocalyptus psilosus'' * '' Staurocalyptus roeperi'' * '' Staurocalyptus rugocruciatus'' * '' Staurocalyptus solidus'' * '' Staurocalyptus tubulosus'' * '' Staurocalyptus tylotus''References
Further reading
* * * * * Hexactinellida Sponge genera {{sponge-stub