Cya
Cyamon Gray, 1867
- Cyamon agnani (Boury-Esnault, 1973)
- Cyamon amphipolyactinum van Soest, Carballo & Hooper, 2012
- Cyamon argon Dickinson, 1945
- Cyamon arguinense van Soest, Carballo & Hooper, 2012
- Cyamon aruense Hentschel, 1912
- Cyamon hamatum van Soest, Carballo & Hooper, 2012
- Cyamon koltuni Sim & Bakus, 1986
- Cyamon neon de Laubenfels, 1930
- Cyamon quadriradiatum (Carter, 1880)
- Cyamon quinqueradiatum (Carter, 1880)
- Cyamon vickersii (Bowerbank, 1864)
Porifera → Demospongiae → Heteroscleromorpha → Axinellida → Raspailiidae → Cyamoninae
Potporodica Cyamoninae Hooper, 2002
- Cyamon Gray, 1867
- Trikentrion Ehlers, 1870
- Waltherarndtia de Laubenfels, 1936
Porifera → Demospongiae → Heteroscleromorpha → Axinellida → Raspailiidae
Cyathella Schmidt, 1880
- Cyathella lutea Schmidt, 1880
Porifera → Hexactinellida → Hexasterophora → Aulocalycoida → Aulocalycidae → Cyathellinae
Potporodica Cyathellinae Janussen & Reiswig, 2003
- Cyathella Schmidt, 1880
Porifera → Hexactinellida → Hexasterophora → Aulocalycoida → Aulocalycidae
Cyc
Cyclacanthia Samaai, Govender & Kelly, 2004
- Cyclacanthia bellae (Samaai, Gibbons, Kelly & Davies-Coleman, 2003)
- Cyclacanthia cloverlyae Samaai, Govender & Kelly, 2004
- Cyclacanthia mzimayiensis Samaai, Govender & Kelly, 2004
Porifera → Demospongiae → Heteroscleromorpha → Poecilosclerida → Latrunculiidae
Cym
Cymbastela Hooper & Bergquist, 1992
- Cymbastela cantharella (Lévi, 1983)
- Cymbastela concentrica (Lendenfeld, 1887)
- Cymbastela coralliophila Hooper & Bergquist, 1992
- Cymbastela marshae Hooper & Bergquist, 1992
- Cymbastela notiaina Hooper & Bergquist, 1992
- Cymbastela sodwaniensis Samaai, Pillay & Kelly, 2009
- Cymbastela stipitata (Bergquist & Tizard, 1967)
- Cymbastela tricalyciformis (Bergquist, 1970)
- Cymbastela vespertina Hooper & Bergquist, 1992
Animalia → Porifera → Demospongiae → Axinellida → Axinellidae
Cyr
Cyrtaulon Schulze, 1886
- Cyrtaulon sigsbeei (Schmidt, 1880)
- Cyrtaulon solutus Schulze, 1886
Porifera → Hexactinellida → Hexactinosida → Sceptrulophora → Tretodictyidae