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Chelydroidea

Osteichthyes - Testudines

Taxonomy
Chelydroidea was named by Baur (1893). It is extant. Its type is Chelydridae.

It was reranked as the unranked clade Chelydroidea by Knauss et al. (2011).

It was assigned to Cryptodira by Baur (1893); and to Cryptodira by Knauss et al. (2011).

Subtaxa

Synonymy list
YearName and author
1893Chelydroidea Baur p. 673
2011Chelydroidea Knauss et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
RankNameAuthor
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
Chelydroidea()
Chelydroidea()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Unr. Chelydroidea Baur 1893
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Fm. Chelydridae Swainson 1839
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G. Chelydra Schweigger 1812 [Snapping turtle]
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Chelydra acutirostris Peters 1862 [South American snapping turtle]
Chelydra rossignonii Bocourt 1868 [Central American snapping turtle]
Chelydra serpentina Linnaeus 1758 [Common snapping turtle]
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Invalid names: Chelydra emarginata Agassiz 1857 [synonym], Chelydra lacertina Schweigger 1812 [synonym], Chelydra laticarinata Hay 1916 [synonym], Chelydra osceola Stejneger 1918 [synonym], Chelydra sculpta Hay 1916 [synonym], Devisia mythodes Ogilby 1905 [synonym], Macrochelys floridana Hay 1907 [synonym], Testudo longicauda Shaw in Gray 1831 [synonym], Testudo serpentaria Wiedemann 1802 [synonym], Testudo serrata Pennant in Gray 1830 [synonym]
Invalid names: Cheliurus Rafinesque 1815 [nomen nudum], Chelonura Fleming 1822 [synonym], Devisia Ogilby 1905 [synonym], Emysaurus Dumeril and Bibron 1835 [synonym], Ophichelone Jarocki 1822 [synonym], Rapara Gray 1825 [synonym], Saurochelys Latreille 1825 [synonym]
G. †Chelydrops Peters 1868
Subfm. †Chelydropsinae Mlynarski 1980
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G. †Chelydrasia Ckhikvadze 1999
G. †Chelydropsis Peters 1868
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Chelydropsis apellanizi Murelaga et al. 1999
Chelydropsis aubasi Joyce et al. 2022
Chelydropsis decheni Meyer 1852
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Invalid names: Chelydropsis sanctihenrici Broin 1977 [synonym]
Chelydropsis heweneggensis Pappa et al. 2024
Chelydropsis kusnetzovi Chkhikvadze 1985
Chelydropsis manuascensis Bergounioux 1936
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Invalid names: Chelydra allingensis Fuchs 1939 [synonym], Chelydropsis carinata Peters 1868 [synonym], Chelydropsis staeschei Mlynarski 1980 [synonym], Trionyx sansaniensis Bergounioux 1935 [synonym]
Chelydropsis pontica Pidoplichko and Tarashchuk 1960
Chelydropsis sansaniensis Bergounioux 1935
Invalid names: Chelydropsis murchisoni staeschei Mlynarski 1980 [synonym], Macrocephalochelys Pidoplichko and Tarashchuk 1960 [synonym]
G. Macrochelys Gray 1856 [alligator snapping turtle]
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Macrochelys auffenbergi Dobie 1968 [Auffenberg's snapping turtle]
Macrochelys schmidti Zangerl 1945
Macrochelys stricta Matthew 1924
Macrochelys suwanniensis Thomas et al. 2014 [Suwannee alligator snapping turtle]
Macrochelys temminckii Troost 1835 [Alligator snapping turtle]
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Invalid names: Gypochelys lacertina Agassiz 1857 [synonym], Macrochelys apalachicolae Thomas et al. 2014 [synonym]
Invalid names: Gypochelys Agassiz 1857 [synonym]
G. †Planiplastron Ckhikvadze 1971
G. †Tavachelydra Lyson et al. 2025
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Tavachelydra stevensoni Lyson et al. 2025
Invalid names: Broilia Bergounioux and Crouzel 1965 [nomen dubium], Broilia robusta Bergounioux and Crouzel 1965 [nomen dubium], Chelydra argillarum Laube 1900 [nomen dubium], Chelydra strausi Schmidt 1966 [nomen dubium], Chelydrinae Lydekker 1889 [empty], Chelydropsis minax Ckhikvadze 1971 [nomen dubium], Emys sansaniensis Lartet 1851 [nomen dubium], Emysaurus meilheuratiae Pomel 1846 [nomen dubium], Hydraspis oeningensis Fitzinger 1835 [nomen nudum], Leptochelys Bergounioux and Crouzel 1965 [nomen dubium], Leptochelys braneti Bergounioux and Crouzel 1965 [nomen dubium], Protochelydrinae Gaffney 1975 [empty], Testudo grandis Macarovici and Vancea 1959 [nomen dubium]
Unr. †Panchelydridae Joyce et al. 2004
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G. †Denverus Hutchison and Holroyd 2003
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Denverus middletoni Hutchison and Holroyd 2003
G. †Protochelydra Erickson 1973
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Protochelydra zangerli Erickson 1973
Invalid names: Hoplochelys caelata Hay 1909 [nomen dubium]
Unr. †Pankinosternoidea Joyce et al. 2004
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G. †Emarginachelys Whetstone 1978
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Emarginachelys cretacea Whetstone 1978
G. †Lutemys Lyson et al. 2017
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Lutemys warreni Lyson et al. 2017
G. †Planetochelys Weems 1988
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Planetochelys dithyros Hutchison 2013
Planetochelys savoiei Weems 1988
G. †Tullochelys Hutchison 2013
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Tullochelys montana Hutchison 2013
Diagnosis
No diagnoses are available