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Thinohyus lentus

Mammalia - Artiodactyla - Tayassuidae

Taxonomy
Thinohyus lentus was named by Marsh (1875) [genotype].

It was recombined as Perchoerus lentus by Matthew (1907), Cope and Matthew (1915), Pearson (1923) and Fremd (1994).

Synonyms
Synonymy list
YearName and author
1873Dicotyles pristinus Leidy
1875Thinohyus lentus Marsh p. 248
1879Palaeochoerus pristinus Cope p. 58
1888Bothrolabis pristinus Cope p. 70
1905Thinohyus pristinus Sinclair
1905Thinohyus (Bothrolabis) osmonti Sinclair p. 138 figs. Pl. 17
1907Perchoerus lentus Matthew
1915Perchoerus pristinus Cope and Matthew pp. Plate CIXa
1915Perchoerus lentus Cope and Matthew
1923Perchoerus lentus Pearson
1923Perchoerus pristinus Pearson
1994Perchoerus lentus Fremd
1994Perchoerus osmonti Fremd
1998Thinohyus lentus Wright
2009Thinohyus lentus Prothero p. 523

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
RankNameAuthor
Cotylosauria()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
orderArtiodactyla()
superfamilySuoidea
familyTayassuidae
genusThinohyus
specieslentus

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.

Diagnosis
ReferenceDiagnosis
W. J. Sinclair 1905 (Thinohyus (Bothrolabis) osmonti)Facial region elongate, in profile an even slope from frontals to tips of nasals. Forehead flat between orbits, becoming' slightly convex toward median line. Upper molars increasing little in size posteriorly. M3 without prominent antero-internal style, with narrow heel extending as a shelf across the entire posterior border. Inferior dentition in close series. separated by a long interval from the canine.
D. R. Prothero 2009Smaller (Ml-3 length= 44-51 mm), less robust, and less dolichocephalic species of Thinohyus, lacking the diastemata between Pl/pl and P2/p2.