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Meiolania platyceps

Reptilia - Meiolaniidae

Taxonomy
Meiolania platyceps was named by Owen (1886). Its type specimen is BMNH R675, a partial skull, and it is a 3D body fossil. Its type locality is Lord Howe Island (Meiolania Old Collection), which is in a Pleistocene terrestrial horizon in Australia.

Synonyms
Synonymy list
YearName and author
1886Miolania platyceps Owen pp. 160-161 figs. plate 30, fig. 1
1886Meiolania minor Owen p. 316
1886Meiolania platyceps Owen p. 316 figs. plate 30, fig. 1
1887Ceratochelys sthenurus Huxley p. 236237
1889Miolania platyceps Lydekker pp. 160-166
2008Meiolania platyceps Danilov and Parham
2011Meiolania platyceps Pérez-García and Ortega
2013Meiolania platyceps Pérez-García and Murelaga
2015Meiolania platyceps Rhodin et al.
2015Meiolania platyceps Sterli p. 37

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
RankNameAuthor
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
Perichelydia
Meiolaniformes
familyMeiolaniidaeLydekker 1887
genusMeiolania
speciesplatyceps

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
J. Sterli 2015Meiolania platyceps shares with other members of the clade Meiolania the presence of recurved B horns and the absence of a continuous shelf formed by scutes A, B and C. Meiolania platyceps is differentiated from Me. brevicollis and Me. mackayi by the presence of a relatively wider horn core B, the presence of a parasagittal ridge on the premaxillary triturating surface and the absence of ventral keels in cervical vertebrae 5 and 6. Meiolania platyceps is differentiated from Me. brevicollis by the higher angle of the posterior projection of the horn core B, the larger horn core A, the relatively longer, lower and wider cervical vertebrae and the relatively low and flat neural spine of the axis. Meiolania platyceps is differentiated from Me. mackayi by the presence of relatively more robust limb bones. Meiolania platyceps is about 30% larger than Me. mackayi and about 10% to 20% smaller than Me. brevicollis.