Total number of species = 976 Nota bene: In the following list, a binomial authority in parentheses indicates that the species was originally described in a genus other than the genus to which it is currently assigned. Testudines Cheloniidae (4 species) Caretta caretta (Linnaeus, 1758) Chelonia mydas (Linnaeus, 1758) Eretmochelys imbricata (Linnaeus, 1766) Lepidochelys olivacea (Eschscholtz, 1829) Dermochelyidae (1 species) Dermochelys coriacea (Linnaeus, 1766) Emydidae (2 species) Trachemys adiutrix Vanzolini, 1995 Trachemys dorbigni (A.M.C. Duméril & Bibron, 1835) Geoemydidae (1 species) Rhinoclemmys punctularia (Daudin, 1801) Kinosternidae (1 species) Kinosternon scorpioides (Linnaeus, 1766) Testudinidae (2 species) Geochelone carbonaria Spix, 1824 Geochelone denticulata (Linnaeus, 1766) Podocnemididae (5 species) Peltocephalus dumerilianus (Schweigger, 1812) Podocnemis erythrocephala (Spix, 1824) Podocnemis expansa (Schweigger, 1812) Podocnemis sextuberculata Cornalia, 1849 Podocnemis unifilis Troschel, 1848 Chelidae (19 species) Nomenclature based on Rhodin et al., 2010 Acanthochelys macrocephala Rhodin, Mittermeier & McMorris, 1984 Acanthochelys radiolata (Mikan, 1820) Acanthochelys spixii (A.M.C. Duméril & Bibron, 1835) Batrachemys heliostemma McCord, Joseph-Ouni & Lamar, 2000 Chelus fimbriata (Schneider, 1783) Hydromedusa maximiliani (Mikan, 1820) Hydromedusa tectifera Cope, 1869 Mesoclemmys gibba (Schweigger, 1812) Mesoclemmys nasuta (Schweigger, 1812) Mesoclemmys raniceps (Gray, 1855) Mesoclemmys tuberculata (Lüderwaldt, 1926) Mesoclemmys vanderhaegei (Bour, 1973) Phrynops geoffroanus (Schweigger, 1812) Phrynops hilarii (A.M.C. Duméril & Bibron, 1835) Phrynops tuberosus (W. Peters, 1870) Phrynops williamsi Rhodin & Mittermeier, 1983 Platemys platycephala (Schneider, 1792) Ranacephala hogei (Mertens, 1967) Rhinemys rufipes (Spix, 1824) Crocodilia Alligatoridae (6 species) Caiman crocodilus (Linnaeus, 1758) Caiman latirostris (Daudin, 1802) Caiman yacare (Daudin, 1802) Melanosuchus niger (Spix, 1825) Paleosuchus palpebrosus (Cuvier, 1807) Paleosuchus trigonatus (Schneider, 1801) Squamata Amphisbaenidae (50 species) Amphisbaena absaberi (Strüssmann & Carvalho, 2001) Amphisbaena alba Linnaeus, 1758 Amphisbaena anaemariae Vanzolini, 1997 Amphisbaena anomala (Barbour, 1914) Amphisbaena arda Rodrigues, 2003 Amphisbaena arenaria Vanzolini, 1991 Amphisbaena bahiana Vanzolini, 1964 Amphisbaena bedai (Vanzolini, 1991) Amphisbaena bilabialata (Stimson, 1972) Amphisbaena bolivica Mertens, 1929 Amphisbaena brasiliana (Gray, 1865) Amphisbaena camura Cope, 1862 Amphisbaena carvalhoi Gans, 1965 Amphisbaena crisae Vanzolini, 1997 Amphisbaena cuiabana (Strüssmann & Carvalho, 2001) Amphisbaena cunhai Hoogmoed & Ávila-Pires, 1991 Amphisbaena darwinii A.M.C. Duméril & Bibron, 1839 Amphisbaena dubia L. Müller, 1924 Amphisbaena frontalis Vanzolini, 1991 Amphisbaena fuliginosa Linnaeus, 1758 Amphisbaena hastata Vanzolini, 1991 Amphisbaena heathi K.P. Schmidt, 1936 Amphisbaena hogei Vanzolini, 1950 Amphisbaena ibijara Rodrigues, Andrade & Lima, 2003 Amphisbaena ignatiana Vanzolini, 1991 Amphisbaena kingii (Bell, 1833) Amphisbaena kraoh (Vanzolini, 1971) Amphisbaena leeseri Gans, 1964 Amphisbaena leucocephala W. Peters, 1878 Amphisbaena lumbricalis Vanzolini, 1996 Amphisbaena mensae Castro-Mello, 2000 Amphisbaena mertensi