“U” is for Uintacyon
Uintacyon was a carnivore, a member of a group of mammals called the miacids. These mammals were probably superficially weasel-like.
Like most Paleocene mammals, much of what is known about Uintacyon is known only from its teeth. What’s really cool is that you can look at some three dimensional images of Uintacyon teeth here. Here’s some examples:
Part of the Blogging from A to Z challenge.