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.
Axinella is a genus of sponges in the family Axinellidae first described in 1862 by Eduard Oscar Schmidt. Species of Axinella occur in the Indian and Pacific Oceans. Most of these sponges are smaller than 20 cm, and have a yellow or orange colour.
Stelletta is a genus of sea sponges belonging to the family Ancorinidae.
Tethya is a genus of sea sponges belonging to the family Tethyidae. Members of this genus all have a spherical body form and some are known to be able to move at speeds of between 1 and 4 mm per day.
Cliona is a genus of demosponges in the family Clionaidae. It contains about eighty described species.
Haliclona is a genus of demosponges in the family Chalinidae.
Ircinia is a genus of sea sponges in the family Irciniidae.
Higginsia is a genus of sea sponges belonging to the order Axinellida.
Myxilla is a genus of demosponge belonging to the family Myxillidae. These sponges usually form encrustations on rock surfaces.
Aaptos is a genus of sea sponges in the family Suberitidae.
Niphatidae is a family of demosponges in the order Haplosclerida, first described in 1980 by Rob van Soest. It contains the following genera:
Crella is a genus of marine demosponges in the family Crellidae.
Tedania is a genus of sea sponges in the family Tedaniidae.
Mycale is a genus of demosponge with 240 recognised species in 11 subgenera. It has been a large genus with multiple subdivisions since it was first described in 1867.
Antho is a genus of sponges belonging to the family Microcionidae. The genus has a cosmopolitan distribution and is known from virtually all parts of the global ocean. There are 62 species in five subgenera.
Iophon is a genus of sponges belonging to the family Acarnidae. The genus has a cosmopolitan distribution.
Darwinella is a genus of sponges belonging to the family Darwinellidae.
Phorbas is a genus of demosponges belonging to the family Hymedesmiidae.
Aaptos lobata is a species of sea sponge belonging to the family Suberitidae. The species was described in 2017. The holotype was collected in the Makassar Strait.
Cladocroce is a genus of demosponges in the family Chalinidae.
