Paraenhydrocyon
| Paraenhydrocyon |
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†Paraenhydrocyon
Wang, 1994
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| Type species | |
| †Temnocyon wallovianus |
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Paraenhydrocyon ("beside Enhydrocyon") is an extinct genus of bone crushing omnivorous mammal similar to a dog of the family Canidae which inhabited North America during the Oligocene living from 33.3—20.6 Ma and existed for approximately 12.7 million years. [1]
Though a carnivore, dentition suggests this animal was a hypercarnivore or mesocarnivore.[2][3]
Taxonomy
Paraenhydrocyon was named by Wang (1994). It was assigned to Canidae by Wang (1994) and Munthe (1998).[4]
Morphology
Two specimens were examined by Legendre and Roth for body mass. The first specimen was estimated to weigh Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).. The second specimen was estimated to weigh Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value)..[5]
Dentition
In addition to its retention of several primitive cranial characters, Paraenhydrocyon dentition includes unique sharp-tipped, slender premolars which clearly contrasts with the strong premolars of the Mesocyon–Enhydrocyon clade. Paraenhydrocyon parallels the Mesocyon–Enhydrocyon clade by having a reduced metaconid (cusp) of the lower molars.
References
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- ↑ http://paleobackup.nceas.ucsb.edu:8110/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=41232&is_real_user=1 Philotrox: Basic info.
- ↑ R. M. Nowak. 1991. Walker's Mammals of the World. Maryland, Johns Hopkins University Press (edited volume) II
- ↑ Q. Ji, Z.-X. Luo, C.-X. J.R. Yuan Wible, J.-P. Zhang, and J.A. Georgi. 2002. The earliest known eutherian mammal. Nature 416:816-822
- ↑ K. Munthe. 1998. Canidae. in C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary mammals of North America 124-143
- ↑ S. Legendre and C. Roth. 1988. Correlation of carnassial tooth size and body weight in recent carnivores (Mammalia). Historical Biology 1(1):85-98
