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Trionyx singularis

Reptilia - Testudines - Trionychidae

Taxonomy
Aspideretes singularis was named by Hay (1907). Its type specimen is AMNH 1028, a skeleton (nearly complete skeleton including skull and limbs), and it is a 3D body fossil. Its type locality is Chaco Cañon Aspideretes singularis Type Locality, which is in a Puercan terrestrial horizon in the Nacimiento Formation of New Mexico.

It was recombined as Paleotrionyx singularis by Chkhikvadze (2000); it was recombined as Trionyx singularis by Vitek and Joyce (2015).

Sister species lacking formal opinion data

Synonyms
Synonymy list
YearName and author
1907Aspideretes singularis Hay p. 853
1908Aspideretes sagatus Hay p. 497 figs. Plate 93, figs. 1-3; text-fig. 652
1908Aspideretes puercensis Hay p. 499 figs. Plate 94, figs. 1-3; plate 104, figs, z, 3; text-figs. 654, 655
1930Aspideretes puercensis Hay p. 109
1930Aspideretes sagatus Hay p. 109
1979Trionyx puercensis Gaffney
2000Hummelichelys sagatus Chkhikvadze
2000Paleotrionyx puercensis Chkhikvadze
2000Paleotrionyx singularis Chkhikvadze
2003Axestemys puercensis Hutchison and Holroyd
2015Trionyx singularis Vitek and Joyce

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
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
speciessingularis()

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 singularis Hay 1907
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Invalid names: Aspideretes puercensis Hay 1908 [synonym], Aspideretes sagatus Hay 1908 [synonym]
Diagnosis
No diagnoses are available