- Gagaria lusseri (DESOR in. DE LORIOL, 1875)
- Gararia sp. (Eoceno)
- Gagaria tremadesi (COTTEAU, 1890)
- Galeaster bertrandi (SEUNES, 1889)
- Galeaster carinatus (RAVN, 1927)
- Galeola papillosa (LESKE, 1778)
- Galeola senonensis (D'ORBIGNY, 1855)
- Galerites abbreviatus (LAMARCK, 1816)
- Galerites stadensis (LAMBERT, 1911)
- Galerites vulgaris globularis (LAMBERT, 1911)
- Galerites vulgaris minor (SCHULZ, 1985)
- Gauthieria cf. radiata (SORIGNET, 1850)
- Gauthieria pseudomagnifica (COTTEAU, 1877)
- Gauthieria cf. pseudoradiata (SCHLÜTER, 1881)
- Gauthieria pseudoradiata (SCHLÜTER, 1881)
- Gauthieria radiata (SORIGNET, 1850)
- Gauthieria sp.
- Genocidaris maculata (AGASSIZ, 1869)
- Gentilia tafileltensis (LAMBERT, 1918)
-
Gibbaster gibbus (DESOR, 1858)
- Gibbaster aff. stolleyi (LAMBERT, 1901)
- Girardema depressum (AGASSIZ in AGASSIZ & DESOR, 1846)
- Girardema bipunctata (DESOR, 1857)
- Gitolampas aff. callosensis (COTTEAU, 1889)
- Gitolampas (Echinanthus) desmoulinsi (DELBOS, 1846)
- Gitolampas georgiensis (TWITCHELL, 1915)
- Gitolampas minor (COTTEAU, 1889)
- Gitolampas cf. pyrenaicus ? (COTTEAU, 1863)
- Gitolampas reguanti (ROMAN & VILLATTE, 1970)
- Gitolampas sendaica (NISIYAMA, 1968)
- Gitolampas (Echinanthus) varnensis (GOCEV, 1933)
- Gitolampas vidali (COTTEAU, 1890)
- Gitolampas vilanovae (COTTEAU, 1890)
- Globator bargesana (D'ORBIGNY, 1856)
- Globator cf. ilarionensis (DAMES, 1877)
- Globator pygaea (AGASSIZ, 1839)
- Globator whitneyae (IKINS, 1940)
- Glypticus hieroglyphicus (GOLDFUSS, 1829)
- Glyptodiadema sp.
- Goniopygus delphinensis (ALBIN GRAS, 1848)
- Goniopygus emmae (FORNER, 2017)
- Goniopygus loryi (COTTEAU, 1865)
- Goniopygus marticensis (COTTEAU, 1865)
- Goniopygus petrocoriensis (ARNAUD, 1889)
- Goniopygus royanus (D'ARCHIAC, 1851)
- Goniopygus royoi ♀♂ (LAMBERT, 1928)
- Goniopygus sp. nov. - Albiense
- Goniopygus tausi (VADET et NICOLLEAU, 2020)
- Goniopygus triangularis (VAZIRI & ARAB, 2012)
- Gracilechinus acutus (LAMARCK, 1816)
- Gracilechinus durandoi (POMEL, 1887)
- Gracilechinus aff. gracilis (AGASSIZ, 1869)
- Gracilechinus gracilis (AGASSIZ, 1869)
- Granopatagus subinermis (POMEL, 1883)
- Granopatagus aff. subinermis -?-
- Gualtieria alicantina (SANTOLAYA, 1993)
- Gualtieria orbignyi (AGASSIZ, 1847)
- Gymnocidaris agassizi (ROEMER, 1839)
- Gymnocidaris atchanensis (VADET, NICOLLEAU & REBOUL, 2010)
- Gymnodiadema hessi (SMITH, 2011)