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Prosthennops xiphodonticus

Mammalia - Artiodactyla - Tayassuidae

Taxonomy
Prosthennops xiphodonticus was named by Barbour (1925) [also said to be 1924]. Its type locality is Valentine Railway Quarries, which is in a Barstovian terrestrial horizon in the Valentine Formation of Nebraska.

It was recombined as Dyseohyus xiphodonticus by Voorhies (1990).

Synonyms
Synonymy list
YearName and author
1925Prosthennops xiphodonticus Barbour
1969Dyseohyus stirtoni Woodburne p. 325 figs. 3-4; Pl. 48-51
1983Prosthennops xiphodonticus Wright
1990Dyseohyus xiphodonticus Voorhies
1993Prosthennops xiphodonticus Wright
1998Prosthennops xiphodonticus Wright
2017Prosthennops xiphodonticus Dutra et al. p. 353

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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()
Cotylosauria()
RankNameAuthor
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
orderArtiodactyla()
superfamilySuoidea
familyTayassuidae
subfamilyTayassuinaePalmer 1897
genusProsthennops
speciesxiphodonticus

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
M. O. Woodburne 1969 (Dyseohyus stirtoni)Differing from D. fricki in the following ways: dorsal surface of nasals transversely convex; posterior palatine foramina opposite anterior half or posterior half of M1; palate extending posteriorly nearly to level of glenoid fossa, parametacone of P4 relatively well separated; molars relatively elongate and narrow, M3 elongate; dP3 and dP4 larger than in D. fricki; dP4 regularly rectangular; P4 large, relatively robust; lower molars relatively elongate; no genial spine on posterior surface of symphysis; ventral surface of symphysis concave below canines.