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Phlaocyon minor Temporal range: Late Early Miocene PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Family:	Canidae
Subfamily:	†Borophaginae
Tribe:	†Phlaocyonini
Genus:	†Phlaocyon
Species:	†P. minor
Binomial name
†Phlaocyon minor Matthew 1907, p. 189
Synonyms
Synodesmus minor Matthew 1907, p. 189 Tephrocyon sp. Wood & Wood 1937 Tomarctus minor White 1941 Nothocyon minor Cook & Macdonald 1962

Phlaocyon minor is an extinct species of canid mammal known from the Miocene-Oligocene (Arikareean NALMA, more than 20 million years ago) of the United States (Wyoming, South Dakota, Nebraska, Wyoming, and Texas.)

The type specimen of P. minor is a partial maxilla, a partial dentary, and limb fragments found in Oglala Lakota County, South Dakota (43°18′N 102°30′E / 43.3°N 102.5°E / 43.3; 102.5: paleocoordinates 44°06′N 97°24′W / 44.1°N 97.4°W / 44.1; -97.4). Wang, Tedford & Taylor 1999 referred half a dozen other specimens to P. minor, including a nearly complete skull and a mandible from Wyoming.

P. minor is the most basal member of Phlaocyon but it can still be distinguished from more primitive borophagines such as Archaeocyon, Rhizocyon, and Cynarctoides. Characters placing it in Phlaocyon includes robust and shortened premolars, a quadrate first upper molar, and widened talonid on the first lower molar. Characters unique to P. minor include the double temporal crests and the elongated lower second molar.

References

Notes

1. "Arikareean". Fossilworks. Retrieved 17 December 2021.
2. "Phlaocyon minor". Fossilworks. Retrieved 17 December 2021.
3. "AMNH Rosebud 22 (of the United States)". Fossilworks. Retrieved 17 December 2021.
4. ^ Wang, Tedford & Taylor 1999, pp. 66–68, Fig 25

Sources

• Cook, H. J.; Macdonald, J. R. (1962). "New Carnivora from the Miocene and Pliocene of western Nebraska". J. Paleontol. 36 (3): 560–567. JSTOR 1301088.
• Matthew, W. D. (1907). "A lower Miocene fauna from South Dakota". Bulletin of the AMNH. 23: 169–219. hdl:2246/1483.
• Wang, X.; Tedford, R. H.; Taylor, B. E. (1999). "Phylogenetic systematics of the Borophaginae (Carnivora, Canidae)". Bulletin of the AMNH. 243. hdl:2246/1588.
• White, T. E. (1941). "Additions to the Miocene fauna of Florida". Proceedings of the New England Zoölogical Club. 18: 91–98. OCLC 78956100.
• Wood, H. E.; Wood, A. E. (1937). "Mid-Tertiary vertebrates from the Texas coastal plain: fact and fable". American Midland Naturalist. 18 (1): 129–146. doi:10.2307/2420623. JSTOR 2420623. OCLC 25422025.

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