Cladorhiza is a genus of carnivorous sponges, comprising around 40 species found in oceans around the world. Cladorhiza is the type genus of the family Cladorhizidae.
Geodia is a genus of sea sponge belonging to the family Geodiidae. It is the type genus of its taxonomic family.
Polymastia is a genus of sea sponges containing about 30 species. These are small to large encrusting or dome-shaped sponges with a smooth surface having many teat-shaped projections (papillae). In areas of strong wave action, this genus does not grow the teat structures, but instead grows in a corrugated form.
Chondrocladia is a genus of carnivorous demosponges of the family Cladorhizidae. Neocladia was long considered a junior synonym, but has recently become accepted as a distinct genus.
Spongia is a genus of marine sponges in the family Spongiidae, originally described by Carl Linnaeus in 1759, containing more than 60 species. Some species, including Spongia officinalis, are used as cleaning tools, but have mostly been replaced in that use by synthetic or plant material.
Lyssacinosida is an order of glass sponges (Hexactinellida) belonging to the subclass Hexasterophora. These sponges can be recognized by their parenchymal spicules usually being unconnected, unlike in other sponges in the subclass where the spicules form a more or less tightly connected skeleton. Lyssacine sponges have existed since the Upper Ordovician, and three families are still alive today. The Venus' flower basket is one of the most well-known and culturally significant of the glass sponges.
Auletta is a genus of sponges in the family Bubaridae.
Euplectellidae is a family of glass sponges (Hexactinellids) belonging to the order Lyssacinosa, first represented in the Ordovician fossil record, substantially older than molecular estimates of the clade's age.
Rossellidae is a family of glass sponges belonging to the order Lyssacinosa. The family has a cosmopolitan distribution and is found at a large range of depths.
Staurocalyptus is a genus of sponge. It was circumscribed in 1897 by Isao Ijima.
Acanthascus is a genus of sponges in the family Rossellidae. Species include:
Sceptrulophora is an order of hexactinellid sponges. They are characterized by sceptrules, a type of microsclere with a single straight rod terminating at a bundle of spines or knobs. An anchor- or nail-shaped sceptrule is called a clavule. A fork-shaped sceptrule, ending at a few large tines, is called a scopule. A broom-shaped sceptrule, ending at many small bristles, is called a sarule.
Farrea is a genus of glass sponges in the family Farreidae.
Aspidoscopulia is a genus of glass sponge in the family Farreidae.
Claviscopulia is a genus of glass sponge in the family Farreidae.
Chonelasma is a genus of sea sponge in the family Euretidae.
Caulophacus brandti is a species of glass sponges belonging to the subfamily Lanuginellinae. It is known from type specimens found in the Weddell Sea. The specific epithet was given in honor of Angelika Brandt.
Caulophacus discohexactinus is a species of glass sponges belonging to the subfamily Lanuginellinae. It is known from a type specimen found in the Weddell Sea. The specific epithet was given to refer to the discohexactine shape of the species' microscleres.
Caulophacus weddelli is a species of glass sponges belonging to the subfamily Lanuginellinae. It is the only species in the subgenus Oxydiscus. It is known from a type specimen found in the Weddell Sea, which lends its name to the specific epithet weddelli.
