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Echmatemys jeanesi

Osteichthyes - Testudines - Geoemydidae

Taxonomy
Emys jeanesi was named by Leidy (1870). Its type specimen is USNM 962 (holotype), a partial shell, and it is a 3D body fossil. Its type locality is A few miles from Fort Bridger, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.

It was synonymized subjectively with Emys wyomingensis by Leidy (1873); it was recombined as Echmatemys jeanesi by Vlachos (2018).

Entered
by M. Carrano on 2005-09-09; modified by E. Vlachos on 2018-01-04

Synonymy list
YearName and author
1870Emys jeanesi Leidy
2018Echmatemys jeanesi Vlachos

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
RankNameAuthor
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—ArchelosauriaCrawford 2015
—Pantestudines
—Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
—Pantestudinoidea
superfamilyTestudinoidea
familyGeoemydidaeTheobald 1868
genusEchmatemys
speciesjeanesi()

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.

†Echmatemys jeanesi Leidy 1870
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Diagnosis
ReferenceDiagnosis
E. Vlachos 2018Echmatemys jeanesi can be diagnosed as a member of Echmatemys based on the characters mentioned above. Echmatemys jeanesi differs from other Echmatemys based on the following combination of characters: humero-pectoral sulcus crosses the entoplastron, neurals II–VIII hexagonal, pleural I overlaps lateral parts of the nuchal, short suprapygal I, long covering of the hyoplastron by the abdominals.
Measurements
No measurements are available
Composition: phosphaticsubp
Entire body: yesg
Adult length: 100 to < 1000g
Environment: freshwaterg
Locomotion: actively mobilec
Life habit: aquaticg
Diet: herbivoreg
Reproduction: oviparoussubo
Created: 2006-04-19 14:59:48
Modified: 2006-04-19 17:05:43
Source: g = genus, subo = suborder, c = class, subp = subphylum
References: Carroll 1988, Uetz 2005, Holroyd et al. 2001, Hendy et al. 2009

Age range: Bridgerian or 51.10000 to 45.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Bridgerian51.1 - 45.9USA (Wyoming) Emys jeanesi (128447)