Leptomeryx

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. It was a small deer-like ruminant with somewhat slender body.



Fossil distribution
Sites and species recovered:
 * Titus Canyon, Inyo County, California (L.blacki) ~30.6—33.9 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.
 * Medicine Pole Hills, Bowman County, North Dakota (L. yoderi) ~38—33.9 Ma.