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Temnocyon percussor

Mammalia - Carnivora - Amphicyonidae

Taxonomy
Temnocyon percussor was named by Cook (1909). Its type locality is Syndyoceras Quarry, which is in a Harrisonian terrestrial horizon in the Harrison Formation of Nebraska.

Synonymy list
YearName and author
1909Temnocyon percussor Cook
2011Temnocyon percussor Hunt, Jr. p. 42 fig. 15

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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()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
RankNameAuthor
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
Laurasiatheria
Scrotifera
Ferae()
CarnivoramorphaWyss and Flynn 1993
CarnivoraformesFlynn et al.
orderCarnivoraBowditch 1821
suborderCaniformiaKretzoi 1943
familyAmphicyonidaeHaeckel 1886
subfamilyTemnocyoninae
genusTemnocyon
speciespercussor

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
R. M. Hunt 2011Differs from T. altigenis and T. subferox in larger size and from T. macrogenys in much smaller size. Distin- guished from T. ferox by taller differently proportioned p3–4 and by dimensions of m1– 2 and M1 that together exceed the size attributable to a T. ferox population (ta- bles2, 3). T. percussor differs from T. fingeruti in having a taller more robust, somewhat longer p3–4, shorter m1–2, and no m2 metaconid. M1 lingual cingulum better developed in T. percussor relative to T. fingeruti.