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Temnocyon fingeruti

Mammalia - Carnivora - Amphicyonidae

Taxonomy
Temnocyon fingeruti was named by Hunt (2011). Its type specimen is NM 280/61, a skull, and it is a 3D body fossil. Its type locality is Beardog: Lower Section (0 - 100 ft. level), which is in an Arikareean terrestrial sandstone in the John Day Formation of Oregon.

Synonymy list
YearName and author
2011Temnocyon fingeruti Hunt, Jr. p. 45 figs. 16–19, 68

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
RankNameAuthor
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Ferae()
CarnivoramorphaWyss and Flynn 1993
CarnivoraformesFlynn et al.
orderCarnivora
suborderCaniformiaKretzoi 1943
familyAmphicyonidaeHaeckel 1886
subfamilyTemnocyoninae
genusTemnocyon
speciesfingeruti

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.

Temnocyon fingeruti Hunt, Jr. 2011
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Diagnosis
ReferenceDiagnosis
R. M. Hunt 2011Wolf-sized species of Temno- cyon (basilar skull length ,25 cm), distin- guished from T. altigenis and T. subferox by much larger size, from T. macrogenys by smaller size; differs from similarly sized T. ferox by greater inflation of the frontal paranasal sinuses (relative to braincase width, table 7) and by different form and propor- tions of p4–m2 and M1–2 (tables 2, 3), including a more lingually extended M1–2 with less expansion of M1 protocone region (ratio A/B, table 6), a much larger M2 and m2, a longer m2 (ratio E/F), and by a more robust, wider p4. Temnocyon fingeruti differs from T. percussor in its much smaller M1 (in the upper dentition of T. percussor only M1 survives), more elongate m1–2, stronger m1 metaconid, and larger, rectangular m2 with vestigial metaconid and more developed paraconid, and by the p4/m1 ratio (0.78 in T. fingeruti vs. 0.84 in both T. percussor and T. ferox). Temnocyon fingeruti differs from T. altigenis, T. subferox, and probably T. ferox in P4 proportions (ratio C/D, table 6); P4 is not known in T. percussor and T. macrogenys.