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Eosphargis gigas

Reptilia - Testudines - Dermochelyidae

Taxonomy
Chelone gigas was named by Owen (1880). It is a 3D body fossil. Its type locality is London Clay, Isle of Sheppey turtles, which is in a Ypresian marine claystone in the London Clay Formation of the United Kingdom.

It was recombined as Eosphargis gigas by Owen (1861), Lydekker (1889), Dollo (1909), Swinton (1934) and Weems (2014).

Synonyms
Synonymy list
YearName and author
1861Eosphargis gigas Owen
1880Chelone gigas Owen
1889Eosphargis gigas Lydekker pp. 239-241
1909Eosphargis gigas Dollo p. 110
1934Eosphargis gigas Swinton p. 75
1963Anglocetus beatsoni Tarlo pp. 320-321 fig. 1
1967Anglocetus beatsoni Harland et al. p. 774
2014Eosphargis gigas Weems

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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
familyDermochelyidaeLydekker 1889
genusEosphargisLydekker 1889
speciesgigas(Owen 1880)

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.

†Eosphargis gigas Owen 1880
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Invalid names: Anglocetus beatsoni Tarlo 1963 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinef
Locomotion: actively mobilec
Life habit: aquaticf
Diet: durophagef
Diet 2: piscivoref
Reproduction: oviparousf
Created: 2005-08-26 14:29:38
Modified: 2005-08-26 16:29:38
Source: f = family, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Uetz 2005

Age range: Wasatchian or 55.80000 to 50.30000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 47.8Belgium (Brabant) Eosphargis gigas (188444)
Ypresian56.0 - 47.8United Kingdom (England) Anglocetus beatsoni (13299) Chelone gigas (167274)
Ypresian56.0 - 47.8USA (Maryland ) Eosphargis gigas (124192)
Wasatchian55.8 - 50.3USA (Virginia) Eosphargis gigas (15595)