Osbornodon

Osbornodon is an extinct genus of canid that were endemic to North America and which lived from the Oligocene to the Early Miocene, 33.9—15.97 Ma, existing for approximately.
It was the last surviving genus of the hesperocyonine subfamily, the oldest subfamily of canids. The genus is named for Henry [Fairfield Osborn].

Species

Seven known species of Osbornodon existed:

Osbornodon brachypus Cope 1881
Osbornodon fricki Wang 1994
Osbornodon iamonensis Sellards 1916
Osbornodon renjiei Wang 1994
Osbornodon sesnoni Macdonald 1967
Osbornodon scitulus Hay 1924
Osbornodon wangi Hayes 2000

The earlier species were about the size of a small fox, and had teeth suggesting an omnivorous or hypocarnivorous diet. Later species were larger and more actively predaceous. The last species, O. fricki, was about the size of a large wolf.