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Cardichelyon rogerwoodi

Reptilia - Testudines - Kinosternoidea

Taxonomy
Cardichelyon rogerwoodi was named by Hutchison (2013). Its type specimen is YPM (PU) 14671, a partial skeleton, and it is a 3D body fossil. Its type locality is Ries, which is in a Clarkforkian terrestrial horizon in Wyoming.

Synonymy list
YearName and author
2013Cardichelyon rogerwoodi Hutchison p. 484
2018Cardichelyon rogerwoodi Vlachos
2020Cardichelyon rogerwoodi Joyce and Claude

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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
superfamilyTrionychoideaFitzinger 1826
familyKinosternoidea()
—PandermatemysJoyce et al. 2004
familyDermatemydidaeBaur 1888
genusCardichelyon
speciesrogerwoodi

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.

†Cardichelyon rogerwoodi Hutchison 2013
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Diagnosis
ReferenceDiagnosis
E. Vlachos 2018Cardichelyon rogerwoodi can be diagnosed as a representative of Pan-Testudinoidea based on the wide covering of the plastral scutes on the visceral side of the plastron and the presence of musk duct foramina. Cardichelyon rogerwoodi resembles Platysternon megacephalum by having extensive temporal roofing, a wide nuchal notch, short bridges, ventrally exiting musk ducts, the proportions of the plastral scutes, and a kinetic contact of the carapace with the hypoplastron. Cardichelyon rogerwoodi differs from Platysternon megacephalum based on the presence of an extensive axillary buttress, absence of a inguinal buttress, partial overlap of the pectoral–abdominal sulcus with the hyoplastral–hypoplastral suture, presence of well-developed gular horns that frame a median plastral depression, a reduced cervical scale, and the frequent absence of subdivided marginals XII.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: brackish, freshwaterf
Locomotion: actively mobilec
Life habit: aquaticf
Diet: herbivoref
Reproduction: oviparousf
Created: 2005-08-26 14:32:01
Modified: 2005-08-26 16:32:01
Source: f = family, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Uetz 2005

Age range: base of the Tiffanian to the top of the Wasatchian or 60.90000 to 50.50000 Ma

Collections (26 total)


Time interval Ma Country or state Original ID and collection number
Tiffanian60.9 - 56.2USA (Wyoming) Ptychogaster sp. (15049)
Tiffanian60.9 - 56.2USA (Colorado) Cardichelyon rogerwoodi (174227)
Clarkforkian56.2 - 54.9USA (Wyoming) Cardichelyon rogerwoodi (15091 15095 15155 15157) Ptychogaster sp. (type locality: 15093)
Clarkforkian56.2 - 54.9USA (Colorado) Cardichelyon rogerwoodi (176832)
Wasatchian54.9 - 50.5USA (Wyoming) Cardichelyon rogerwoodi (15489 15512 15520 15523 15529 15530 15783 168296 168305 168306 168311 168313 168316 168317 168340) Emydidae indet. C (15488 59895)
Wasatchian54.9 - 50.5USA (Colorado) Cardichelyon rogerwoodi (176840)