- Camerogalerus cantabricus (SMITH & GALLEMÍ, 1999)
- Cardiaster integer (AGASSIZ, in AGASSIZ & DESOR, 1847)
- Cardiaster pachecoi (LAMBERT, 1922)
- Cardiopelta trigonalis (DESOR, in DESOR & de LORIOL, 1872)
- Catopygus carinatus (GOLDFUSS, 1826)
-
Catopygus elongatus (DESOR, 1847)
- Catopygus fenestratus (AGASSIZ, in AGASSIZ & DESOR, 1847)
-
Cenofibula castriauliensis (GASSER, 1994)
- Cibaster nuciformis (ERNST, 1971)
- "Cidaris" barroisi ? (COTTEAU, 1879)
- Cidaris cidaris (LINNEO, 1758)
- "Cidaris" gourdoni (COTTEAU, 1889)
- Cidaropsis anoualensis (VADET, NICOLLEAU & REBOUL, 2010)
- Circopeltis [Pseudarbacia] archiaci (COTTEAU, 1866)
- Chesniericidaris brangeri n. sp. (VADET, 2005)
- Clypeaster altus (LESKE, 1778)
- Clypeaster cf. campanulatus ? (SCHLOTHEIM, 1820)
- Clypeaster caudatus (JACKSON, 1922)
- Clypeaster cf. calabrus (SEGUENZA, 1880)
- Clypeaster concavus (COTTEAU, 1875)
- Clypeaster convexus (VADASZ, 1905)
- Clypeaster franchii (CHECCHIA-RISPOLI, 1925)
- Clypeaster humilis (LESKE, 1778)
- Clypeaster insignis (SEGUENZA, 1879)
- Clypeaster japonicus (DODERLEIN, 1885)
- Clypeaster marginatus (LAMARCK, 1816)
- Clypeaster ogleianus (POMEL, 1887)
- Clypeaster aff. paishatunensis (WANG, 1985)
- Clypeaster parstchii (MICHELIN, 1861)
- Clypeaster pliocenicus (SEGUENZA, 1879)
- Clypeaster reticularis (LINNAEUS, 1758)
- Clypeaster scillae (DESMOULINS, 1837)
- Clypeaster solanoi (COTTEAU, 1889-90)
- Clypeaster sp. -Plioceno-.
- Clypeaster sp. (Taiwan)
- Clypeaster cf. subacutus (POMEL, 1887)
- Clypeaster sunnilandensis (KIER, 1963)
- Clypeaster cf. vasatensis (LAMBERT, 1928)
- Clypeaster yingkoensis (WANG, 1985)
- Clypeolampas douvillei (LAMBERT, 1920)
- Clypeolampas sp.
- Codechinus rotundus (GRAS, 1848)
- Codiopsis doma (DESMAREST in DEFRANCE, 1825)
- Codiopsis cf. fontei (VIDAL, 1921)
- Codiopsis senessei (LAMBERT, 1934)
- Coelopleurus carolinensis (COOKE, 1941)
- Coenholectypus excisus (DESOR, 1847)
- Coenholectypus nachtigali (KRUMBECK, 1906)
- Coenholectypus nanus (COOKE, 1955)
- Coenholectypus aff. serialis (DESHAYES in AGASSIZ & DESOR, 1848)
- Coenholectypus similis (DESOR, 1857)
- Collyrites acuta (DESOR, 1842)
- Collyrites dorsalis (AGASSIZ, 1845)
- Conoclypus anachoreta (AGASSIZ, 1839)
- Conoclypus lamberti (VILLATTE, 1965)
- Conulus albogalerus (LESKE, 1778)
- Conulus castanea (BRONGNIART, 1822)
- Conulus cf. castanea (BRONGNIART, 1822)
- Conulus castanea var. rhotomagensis (AGASSIZ, 1840)
- Conulus gigas (COTTEAU, 1856)
- Conulus subrotundus (MANTELL, 1822)
- Coptodiscus mengaudi (LAMBERT, 1919)
- Coraster aff. sphaericus (SEUNES, 1888)
- Coraster vilanovae (COTTEAU, 1886)
- Corystus dysasteroides (DUNCAN, 1877)
- Cosmocyphus sp.
- Cottaldia royoi - ver: Maestratina royoi (LAMBERT, 1928)
- Cottreaucorys blayaci (COTTREAU in BLAYAC & COTTREAU, 1909)
- Cubanaster acunai (ROIG, 1926)
- Cyathocidaris cyathifera (AGASSIZ, 1840)
- Cyathocidaris spinosissima (AGASSIZ & DESOR, 1847)
-
Cyclaster azemati (DEVRIES, 1972)
- Cyclaster danicus (SCHLÜTER, 1897)
- Cyclaster gourdoni (COTTEAU, 1887)
- Cyclolampas voltzii (AGASSIZ, 1835)
-
Cyphosoma propinquum (ARNAUD in COTTEAU, 1883)