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Jurassichelon oleronensis

Reptilia

Taxonomy
Jurassichelon oleronensis was named by Pérez-García (2015). Its type specimen is PIMUZ A/III 514, a partial skeleton (a nearly complete skull and associated partial shell, cervical vertebrae, and postcranial elements), and it is a 3D body fossil. Its type locality is La Morelière, which is in a Tithonian marine horizon in France.

Synonymy list
YearName and author
2015Jurassichelon oleronensis Pérez-García
2017Jurassichelon oleronensis Anquetin et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
RankNameAuthor
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Testudinata(Oppel 1811)
—Thalassochelydia
genusJurassichelon
speciesoleronensis

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.

†Jurassichelon oleronensis Pérez-García 2015
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Diagnosis
ReferenceDiagnosis
J. Anquetin et al. 2017Jurassichelon oleronensis can be diagnosed as a repre- sentative of Jurassichelon by the full list of characters provided above for that taxon. Jurassichelon oleronensis differs from Juras- sichelon moseri in having much thinner shell bones, wedge- shaped, narrow bridge peripherals that are connected to the plastron and the costals by connective tissues, presence of a nar- row lateral plastral fontanelle, and midline contact of the hyoplastra mostly formed by connective tissues. Additionally, Jurassichelon oleronensis differs from other thalassochelydians in having a low temporal skull roof, large orbits, a narrow interorbital bar, a short, broadly arched triturating surface, and a high dorsum sellae overhanging the sellae turcica.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988

Age range: Early/Lower Tithonian or 150.80000 to 145.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Tithonian150.8 - 145.0France (Oléron Island) Jurassichelon oleronensis (type locality: 167752)