| Duke University
Lemur Center Division of Fossil Primates |
| F Szalay, Folia primat. 19, 1973, p. 84. |
| Plesiolestes problematicus is a Paleocene species from the Bighorn Basin of Wyoming that probably belongs in a sister group to the Plesiadapiforms, the microsyopidae, or microsyopoidea. The illustration shows, especially in the crown view above, how extraordinarily like euprimates the anatomy of the premolars and molars is. |