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Megalochelys sivalensis

Reptilia - Testudines - Testudinidae

Taxonomy
Megalochelys sivalensis was named by Falconer and Cautley (1837). It is a 3D body fossil. Its type locality is Siwalik Hills, which is in a Pliocene fluvial horizon in the Pinjor Formation of Pakistan.

Synonyms
Synonymy list
YearName and author
1837Megalochelys sivalensis Falconer and Cautley
1844Colossochelys atlas Falconer and Cautley
1885Cautleya annuliger Lydekker
1889Testudo punjabiensis Lydekker pp. 87-88 fig. 16
1971Geochelone atlas Hooijer
2009Megalochelys sivalensis Setiyabudi
2018Megalochelys atlas Vlachos and Rabi p. 663
2019Megalochelys sivalensis Vlachos

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
—Pantestudinoidea
superfamilyTestudinoidea
familyTestudinidaeBatsch 1788
genusMegalochelys
speciessivalensis

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.

†Megalochelys sivalensis Falconer and Cautley 1837
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Invalid names: Cautleya annuliger Lydekker 1885 [synonym], Colossochelys atlas Falconer and Cautley 1844 [objective synonym], Testudo punjabiensis Lydekker 1889 [synonym]
Diagnosis
ReferenceDiagnosis
E. Setiyabudi 2009supracaudal single; gular part with smooth dorsal surface ; anterior tip of the epiplastron bifurcated in obtuse angle ; the inguinal divided into two parts ; anal notch of xiphiplastron shallow.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialf
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Diet 2: herbivoref
Reproduction: oviparousf
Created: 2005-08-26 07:16:55
Modified: 2005-09-09 16:16:46
Source: f = family, c = class, subp = subphylum
References: Carroll 1988, Ernst and Barbour 1989, Hendy et al. 2009

Age range: base of the Late/Upper Miocene to the top of the Early/Lower Pleistocene or 11.60800 to 0.78100 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Miocene11.608 - 5.333Thailand (Nakorn Ratchasima) Colossochelys atlas (67172)
Late/Upper Miocene11.608 - 5.333India (Gujarat) Colossochelys atlas (87489)
Pliocene5.333 - 2.588Pakistan Testudo punjabiensis, Megalochelys sivalensis, Colossochelys atlas (type locality: 92070)
Late/Upper Pliocene3.6 - 2.588Indonesia (Sulawesi) Geochelone atlas (93548 93635)
Late/Upper Pliocene3.6 - 2.588India Colossochelys atlas (39209)
Early/Lower Pleistocene2.588 - 0.781Indonesia Geochelone atlas (93519) Megalochelys sivalensis (93517)
Pleistocene2.588 - 0.0117Indonesia (Timor) Geochelone atlas (195987)