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Terrapene eurypygia

Reptilia - Testudines - Emydidae

Taxonomy
Cistudo eurypygia was named by Cope (1870). It is a 3D body fossil. Its type locality is Oxford Neck, which is in a Pleistocene terrestrial horizon in Maryland.

It was synonymized subjectively with Testudo carolina by Parris and Daeschler (1995); it was recombined as Terrapene eurypygia by Cope (1899), Hay (1902), Hay (1908), Milstead (1956) and Vlachos (2018).

Synonyms
Synonymy list
YearName and author
1870Cistudo eurypygia Cope pp. 124-125
1899Terrapene eurypygia Cope
1899Toxaspis anguillulatus Cope
1902Terrapene anguillulata Hay
1902Terrapene eurypygia Hay
1908Terrapene eurypygia Hay
1956Terrapene eurypygia Milstead p. 167
2018Terrapene eurypygia Vlachos

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
RankNameAuthor
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
Pantestudinoidea
superfamilyTestudinoidea
Panemydidae
familyEmydidaeRafinesque 1815
genusTerrapeneMerrem 1820
specieseurypygia()

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.

Diagnosis
ReferenceDiagnosis
E. Vlachos 2018Terrapene eurypygia can be diagnosed as a member of Pan-Emydidae based on the full list of characters mentioned above and of Terrapene based on the medial contact of costals VIII and the single suprapygal. Terrapene eurypygia differs from other Terrapene in the presence of a contact between the vertebral V and marginal X.