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Trionyx miocaenus

Reptilia - Testudines - Trionychidae

Taxonomy
Platypeltis miocaenus was named by Matthew (1924). Its type specimen is AMNH 6298, a carapace, and it is a 3D body fossil. Its type locality is Trojan Quarry, which is in a Barstovian terrestrial horizon in the Olcott Formation of Nebraska.

It was corrected as Platypeltis miocaena by Hay (1930); it was recombined as Trionyx miocaenus by Vitek and Joyce (2015).

Sister species lacking formal opinion data
T. pliopedemontanus

Synonymy list
YearName and author
1924Platypeltis miocaenus Matthew
1930Platypeltis miocaena Hay p. 112
2015Trionyx miocaenus Vitek and Joyce

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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
familyTrionychidaeGray 1825
subfamilyTrionychinaeGray 1825
genusTrionyx
speciesmiocaenus()

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.

†Trionyx miocaenus Matthew 1924
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Body part: carapacef
Adult length: 100 to < 1000f
Grouping: solitaryf
Environment: brackish, freshwaterf
Locomotion: actively mobilef
Life habit: aquaticf
Diet: piscivoref
Diet 2: carnivoref
Reproduction: oviparousf
Created: 2005-08-25 13:24:04
Modified: 2005-09-09 19:45:41
Source: f = family, subp = subphylum
References: Carroll 1988, Ernst and Barbour 1989

Age range: Early/Lower Barstovian or 16.30000 to 12.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Barstovian16.3 - 12.5USA (Nebraska) Platypeltis miocaenus (type locality: 18004)