Leptomeryx
Appearance
Leptomeryx | |
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Skeleton, Paleontology Museum of Zurich | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Artiodactyla |
Family: | †Leptomerycidae |
Subfamily: | †Leptomerycinae |
Genus: | †Leptomeryx Leidy, 1853 |
Type species | |
†Leptomeryx evansi | |
Species[2] | |
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Leptomeryx is an extinct genus of ruminant of the family Leptomerycidae, endemic to North America during the Eocene through Oligocene 38–24.8 Mya, existing for approximately 13.2 million years. It was a small deer-like ruminant with somewhat slender body.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b9/Leptomeryx.jpg/220px-Leptomeryx.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Leptomeryx_BW.jpg/220px-Leptomeryx_BW.jpg)
Fossil distribution
Sites and species recovered:
- Titus Canyon, Inyo County, California (L.blacki) ~30.6—33.9 Ma.
- UNSM Sx-8 (Orella C), Sioux County, Nebraska (L. elissae) ~33.9—24.8 Ma.
- Anxiety Butte, Saskatchewan, Canada (L. sp., L. evansi) ~38—24.8 Ma.
- Calf Creek, Saskatchewan, Canada, (L. mammifer) ~38—33.3 Ma.
- Toadstool Park, Sioux County, Nebraska (L. speciosus) ~37.2—33.3 Ma.[3]
- Medicine Pole Hills, Bowman County, North Dakota (L. yoderi) ~38—33.9 Ma.[4]
References
- ^ Webb, 1998, p. 474.
- ^ Webb, 1998, p.471.
- ^ Paleobiology database: Toadstool Park collection
- ^ Paleobiology database: Medicine Pole Hills collection
- Webb, S.D., 1998. Hornless ruminants. pp. 463–476 in C.M. Janis, K.M. Scott, and L.L. Jacobs (eds.) Evolution of Tertiary Mammals of North America. Volume 1: Terrestrial Carnivores, Ungulates, and Ungulatelike Mammals. Cambridge University Press, Cambridge. ISBN 0-521-35519-2
- Heaton, T.H. and Emry, R.J., 1996. Leptomerycidae pp. 581–608 in D.R. Prothero and R.J. Emry (eds.) The Terrestrial Eocene-Oligocene Transition in North America. Cambridge University Press, Cambridge.
- Clark, John (1970-03-27). "Population dynamics of Leptomeryx". Fieldiana Geology. 16 (16): 411–451. Retrieved 2014-04-20.