Classification of Lydekker 1889
Or. Chelonia Latreille 1800 [turtle]
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Subor. Testudinata Oppel 1811 [turtle]
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Unr. Cryptodira Cope 1868
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Fm. †Acichelyidae Lydekker 1889
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G. †Thalassemys Rütimeyer 1859
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†Thalassemys hugii Rütimeyer 1873
†Thalassemys ruetimeyeri Lydekker 1889
Fm. Chelonidae Bonaparte 1832
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G. Chelone Linnaeus 1758
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†Chelone benstedi Mantell 1841
†Chelone girundica Delfortrie 1869
†Chelone jessoni Lydekker 1889
Invalid names: Allopleuron Baur 1888 [synonym]
G. †Lytoloma Cope 1870
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†Lytoloma cantabrigiense Lydekker 1889
†Lytoloma crassicostatum Owen 1849
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Invalid names: Euclastes gosseleti Dollo 1886 [synonym], Puppigerus latiscutatus Owen 1841 [synonym]
†Lytoloma longiceps Owen 1841
†Lytoloma planimentum Owen 1841
G. †Notochelone Lydekker 1889
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†Notochelone costata Owen 1882
Invalid names: Notochelys Owen 1882 [replaced]
G. †Thalassochelys Fitzinger 1835
Fm. Chelydridae Swainson 1839
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Subfm. †Anostirinae Lydekker 1889
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G. †Anostira Leidy 1871
Invalid names: Anostira Leidy 1871 [valid], Pseudotrionyx Dollo 1886 [valid]
Subfm. †Anostirinae Lydekker 1889
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G. †Anostira Leidy 1871
Invalid names: Anostira Leidy 1871 [valid], Pseudotrionyx Dollo 1886 [valid]
Invalid names: Chelydrinae Lydekker 1889 [empty], Tretosterninae Lydekker 1889 [empty]
Fm. Testudinidae Batsch 1788
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G. Cachuga Gray 1855
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Cachuga dhongoka Gray 1834 [Three-striped roofed turtle]
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Invalid names: Batagur durandi Lydekker 1885 [synonym]
Cachuga tectum Gray 1831
G. Chrysemys Gray 1844 [painted turtle]
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†Chrysemys bicarinata Owen and Bell 1849
†Chrysemys testudiniformis Owen 1842
G. Emys Dumeril 1806 [pond turtle]
G. Homopus Duméril and Bibron 1834 [cape tortoise]
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†Homopus comptoni Owen and Bell 1849
†Homopus scutella Meyer 1845
G. Ocadia Gray 1870
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†Ocadia crassa Owen 1849
†Ocadia nicoleti Pictet and Humbert 1856
†Ocadia oweni Lydekker 1889
G. †Ptychogaster Pomel 1847
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†Ptychogaster cayluxensis Lydekker 1889
†Ptychogaster emydoides Pomel 1847
†Ptychogaster pomeli Lydekker 1889
G. Testudo Linnaeus 1758
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†Testudo atlas Falconer and Cautley 1844
†Testudo cautleyi Lydekker 1889
†Testudo escheri Pictet and Humbert 1856
†Testudo eurysternum Gervais 1848
†Testudo larteti Pictet 1853
Testudo orbicularis Linnaeus 1758 [European pond turtle]
†Testudo punjabiensis Lydekker 1889
†Testudo robusta Leith-Adams 1877
†Testudo sloanei Lydekker 1889
†Testudo spratti Leith-Adams 1877
Unr. Pleurodira Cope 1865 [sideneck turtle]
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Fm. †Plesiochelyidae Rütimeyer 1873
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G. †Plesiochelys Rütimeyer 1873
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†Plesiochelys hannoverana Maack 1869
†Plesiochelys solodurensis Rütimeyer 1873
†Plesiochelys valdensis Lydekker 1889
G. †Rhinochelys Seeley 1869
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†Rhinochelys brachyrhina Lydekker 1889
†Rhinochelys cantabrigiensis Lydekker 1889
†Rhinochelys elegans Lydekker 1889
†Rhinochelys jessoni Lydekker 1889
†Rhinochelys macrorhina Lydekker 1889
†Rhinochelys pulchriceps Owen 1842
Superfm. Trionychoidea Fitzinger 1826
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Fm. Trionychidae Gray 1825 [softshell turtle]
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Subfm. Trionychinae Gray 1825 [softshell turtle]
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G. †Aulacochelys Lydekker 1889
G. Trionyx Geoffroy Saint-Hilaire 1809
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†Trionyx aquitanicus Delfortrie 1869
†Trionyx barbarae Owen and Bell 1849
†Trionyx bowerbanki Lydekker 1889
Trionyx gangeticus Cuvier 1824
†Trionyx gergensi Reinach 1900
†Trionyx henrici Owen and Bell 1849
†Trionyx incrassatus Owen and Bell 1849
†Trionyx parisiensis Gray 1831
Trionyx phayrei Theobald 1868
†Trionyx planus Owen and Bell 1849
†Trionyx rivosus Owen and Bell 1849
†Trionyx vittatus Pomel 1847
Invalid names: Aspidonectes Wagler 1830 [synonym], Axestus Cope 1872 [synonym], Plastomenus Cope 1873 [synonym]
Unr. Testudinata Oppel 1811 [turtle]
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Subor. †Amphichelydia Lydekker 1889
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Fm. †Pleurosternidae Cope 1868
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G. †Platychelys Wagner 1853
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†Platychelys anglica Lydekker 1889
†Platychelys oberndorferi Wagner 1853
G. †Pleurosternum Owen 1853
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†Pleurosternum portlandicum Lydekker 1889
Invalid names: Digerrhum Cope 1870 [synonym]
Invalid names: Athecata Cope 1871 [empty]
†Pleurosternum bullockii Owen 1842
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Invalid names: Pleurosternum ovatum Owen 1853 [synonym]
Fm. Chelyidae Gray 1869
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†Meiolania platyceps Owen 1886
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Invalid names: Meiolania minor Owen 1886 [synonym]
†Allopleuron hoffmanni Gray 1831
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Invalid names: Chelone camperi Owen 1851 [synonym]