Valenictus

Valenictus is an extinct genus of Odobenidae from the Pliocene of California.

Description
Valenictus is related to the modern-day walrus, but lacked all teeth both in the lower and upper jaw except for the two tusks.

Links

 * SDNHM Fossil Mysteries Field Guide: Chula Vista Walrus
 * SDNHM: Recent Paleo Finds - Walrus Fall 2001