Chelydra Schweigger 1812

        Chelydra serpentina (Linnaeus, 1758)
            Testudo serpentina Linnaeus, 1758
            Testudo serpentaria Wiedemann, 1802
                (nom. subst. pro Testudo serpentina Linnaeus, 1758)
            Chelydra serpentina Schweigger, 1812
            Devisia mythodes Ogilby, 1905
            Chelydra serpentina; Stebbins, 1985
            Chelydra serpentina; Conant & Collins, 1991
            Chelydra lacertina Schweigger, 1812
            Testudo longicauda Shaw, 1831 (nomen nudum)
            Macroclemys lacertina; Rhoads, 1895
            Chelydra emarginata Agassiz, 1857

            Chelydra serpentina serpentina (Linnaeus, 1758)
                Chelydra serpentina (Linnaeus, 1758)
                Chelydra serpentina serpentina Stejneger, 1914

            Chelydra serpentina acutirostris (Peters, 1862)
                Chelydra serpentina var. acutirostris Peters 1862
                Chelydra angustirostris Dunn, 1945 (ex errore)

            Chelydra serpentina osceola Stejneger, 1918
                Chelydra osceola Stejneger, 1918
                Chelydra serpentina osceola Mertens, 1934

            Chelydra serpentina rossignoni (Bocourt, 1868)
                Emysaurus rossignonii Bocourt, 1868
                Chelydra rossignonii; Cope, 1872 
                Chelydra serpentina rossignonii; Mertens et al., 1934
                Chelydra serpentina rossignonii; Liner, 1994

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