Order Testudines Wagler, 1830 - turtles
   Suborder Cryptodira Cope, 1868
     Superfamily Testudinoidea Batsch, 1788
       Family Testudinidae Batsch, 1788 - tortoises
         Genus Chelonoidis Fitzinger, 1835
           Chelonoidis nigra species complex - Galapagos giant tortoises see Chelonoidis niger species complex
             01 ‡Chelonoidis nigra (Quoy & Gaimard, 1824) - Floreana giant tortoise see Chelonoidis niger (Quoy & Gaimard, 1824)
             02 ‡Chelonoidis abingdonii (Günther, 1877) - Pinta giant tortoise
             03 Chelonoidis becki (Rothschild, 1901) - Volcan Wolf giant tortoise
             04 Chelonoidis chathamensis (Van Denburgh, 1907) - San Cristobal giant tortoise
             05 Chelonoidis darwini (Van Denburgh, 1907) - Santiago giant tortoise
             06 Chelonoidis duncanensis (Garman, 1996) - Pinzon giant tortoise
             07 Chelonoidis hoodensis (Van Denburgh, 1907) - Espanola giant tortoise
             08 ‡Chelonoidis phantastica (Van Denburgh, 1907) - Fernandina giant tortoise see Chelonoidis phantasticus (Van Denburgh, 1907)
             09 Chelonoidis porteri (Rothschild, 1903) - Santa Cruz giant tortoise
             10 Chelonoidis vicina (Günther, 1874) - southern Isabela giant tortoise