49 Species in Family Polymastiidae
| Scientific Name | Author | English Name |
|---|---|---|
| Acanthopolymastia pisiformis | Kelly-Borges & Bergquist, 1997 | |
| Koltunia burtoni | (Koltun, 1964) | |
| Polymastia agglutinans | (Lamarck, 1815) | |
| Polymastia andrica | de Laubenfels, 1949 | Many-knotted horny sponge |
| Polymastia boletiformis | Bowerbank, 1874 | Yellow hedgehog sponge |
| Polymastia conigera | Bowerbank, 1874 | |
| Polymastia croceus | Kelly-Borges & Bergquist, 1997 | |
| Polymastia fistula | Kim & Sim, 2021 | |
| Polymastia gemmipara | Dendy, 1916 | |
| Polymastia granulosa | Brøndsted, 1924 | |
| Polymastia grimaldii | (Topsent, 1913) | |
| Polymastia hemisphaerica | (Sars, 1872) | |
| Polymastia inflata | (Müller, 1806) | |
| Polymastia invaginata | Kirkpatrick, 1907 | |
| Polymastia isidis | Thiele, 1905 | |
| Polymastia kurilensis | Koltun, 1962 | |
| Polymastia mamillaris | (Müller, 1806) | Teat sponge |
| Polymastia pachymastia | de Laubenfels, 1932 | Black-orange spud sponge |
| Polymastia pacifica | (Lambe, 1893) | Aggregated nipple sponge |
| Polymastia polytylota | Vacelet, 1969 | |
| Polymastia rara | Koltun, 1966 | |
| Polymastia robusta | unspecified | Nipple sponge |
| Polymastia sasuensis | Kim & Sim, 2021 | |
| Polymastia spinula | Cabioch, 1968 | |
| Polymastia tenax | Pulitzer-Finali, 1986 | |
| Polymastia thielei | Koltun, 1964 | |
| Polymastia tropicalis | Lévi, 1967 | |
| Polymastia tubulifera | Dendy, 1922 | |
| Polymastia uberrima | (Schmidt, 1870) | |
| Polymastia viridis | Kim & Sim, 2021 | |
| Pseudotrachya hystrix | (Topsent, 1890) | |
| Quasillina brevis | (Bowerbank, 1861) | Short bladder horny sponge |
| Radiella sol | Schmidt, 1870 | Sun horny sponge |
| Radiella straticulata | (Wilson, 1925) | |
| Sphaerotylus antarcticus | Kirkpatrick, 1907 | |
| Sphaerotylus borealis | (Swartschewsky, 1906) | |
| Sphaerotylus capitatus | (Vosmaer, 1885) | |
| Sphaerotylus exospinosus | Lévi, 1993 | |
| Sphaerotylus exotylotus | Koltun, 1970 | |
| Sphaerotylus renoufi | Plotkin, Morrow, Gerasimova & Rapp, 2017 | |
| Sphaerotylus sceptrum | Koltun, 1970 | |
| Sphaerotylus tjalfei | Plotkin, Morrow, Gerasimova & Rapp, 2017 | |
| Sphaerotylus vanhoeffeni | Hentschel, 1914 | |
| Spinularia australis | Lévi, 1993 | |
| Tentorium papillatum | (Kirkpatrick, 1908) | |
| Tentorium semisuberites | (Schmidt, 1870) | Pavilion horny sponge |
| Trachyteleia hispida | (Bowerbank, 1864) | |
| Tylexocladus hispidus | Lévi, 1993 | |
| Weberella haengwonensis | Kim & Sim, 2021 |