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Palemys bowerbankii

Reptilia - Testudines - Bothremydidae

Discussion

Holotype. A partial shell, now lost, first figured by Owen and Bell (1849, plate XXIII) (Figure 1.13-14). Neotype. The almost complete shell NHMUK 39449, which is the holotype of ‘Emys conybearii’ Owen, 1858 (Figure 1.1-8).

Taxonomy
Platemys bowerbankii was named by Owen (1842). Its type specimen is NHMUK 39449 (neotype), a partial shell, and it is a 3D body fossil. Its type locality is Warden Point (Bowerbank collection), which is in a Ypresian marine siliciclastic in the London Clay Formation of the United Kingdom.

It was recombined as Palemys bowerbankii by Pérez-García (2018).

Synonyms
Synonymy list
YearName and author
1842Platemys bowerbankii Owen p. 163
1849Emys laevis Bell p. 70 figs. plate 12
1849Emys delabechei Bell p. 74
1849Emys conybearii Owen
1849Emys delabechii Owen and Bell
1849Emys laevis Owen and Bell p. 70 figs. plate 12
1858Emys conybearii Owen
1889Dacochelys delabechei Lydekker pp. 173-174
2006Palaeaspis conybearii Gaffney et al. p. 109
2018Palemys bowerbankii Pérez-García

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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
suborderPleurodira
superfamilyPelomedusoidesBroin 1988
superfamilyPodocnemidoidea
familyBothremydidaeBaur 1891
genusPalemysGray 1870
speciesbowerbankii()

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
A. Pérez-García 2018Member of Bothremydini characterized by the following combination of characters: relatively large shell, exceeding 45 cm; elongated and elliptical carapace, its length being almost 1.4 times that of its width; slightly wider than long nuchal plate; seven neurals, the first five being notably longer than wide, especially the first, which is more than twice as long as wide; antero-lateral margins of the first vertebral scute reaching the second pair of peripherals; first vertebral as wide as the second; first to third vertebrals wider than long; overlap of the first pair of marginals on more than half of the nuchal anterolateral margins; outer surface of the carapace and plastral plates lacking a well-developed ornamental pattern; long plastral bridge, longer than the plastral lobes; broad plastral lobes (the anterior being more than twice as wide as it is long), with sub-straight lateral margins; trapezoidal anterior lobe; short and wide anal notch; posterior end of the entoplastron anterior to the plastral bridge level; longer than wide mesoplastra; medial contact of the humeral scutes; overlap of the anterior region of the pectorals on the epiplastra; long overlap of the pectorals on the entoplastron; pectorals not reaching the anterior margins of the mesoplastra.