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.
Sources
Evolution: What the Fossils Say and Why It Matters by Donald R. Prothero and Carl Buell
Marine Mammal Biology: An Evolutionary Approach by A. Rus Hoelzel
Marine Mammals: Evolutionary Biology by Annalisa Berta, James L. Sumich, and Kit M. Kovacs
Encyclopedia of Marine Mammals by William F. Perrin, Bernd Wursig, and J. G.M. Thewissen
Classification of Mammals by Malcolm C. McKenna and Susan K. Bell
Neptune's Ark: From Ichthyosaurs to Orcas by David Rains Wallace
Evolution of Tertiary Mammals of North America: Volume 2, Small Mammals, Xenarthrans, and Marine Mammals by Christine M. Janis, Gregg F. Gunnell, and Mark D. Uhen
External links
SDNHM Fossil Mysteries Field Guide: Chula Vista Walrus
SDNHM: Recent Paleo Finds - Walrus Fall 2001
