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Chelone costata

Reptilia - Testudines - Cheloniidae

Taxonomy
Chelone costata was named by Owen (1853). Its type specimen is BMNH 2370, a partial shell (slab of sandstone showing the ventral surface of the anterior portion of the left side of the carapace), and it is a 3D body fossil. Its type locality is Tilgate Forest, Cuckfield, which is in a Valanginian terrestrial sandstone in the Tunbridge Wells Sand Formation of the United Kingdom.

It was recombined as Plesiochelys costata by Lydekker and Boulenger (1887); it was synonymized subjectively with Hylaeochelys belli by Delair (1958), Heinrich (1991), Milner (2011), Pérez-García (2012).

Synonymy list
YearName and author
1853Chelone costata Owen
1887Plesiochelys costata Lydekker and Boulenger p. 272

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
RankNameAuthor
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
superfamilyChelonioidea
familyCheloniidaeBonaparte 1832
genusChelone
speciescostata

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.

Chelone costata Owen 1853
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Diagnosis
No diagnoses are available