Shotwell, J. Arnold

1 publication

Shotwell, J. Arnold (detail)
1950New locality of Desmostylus hesperus Marsh, from the Astoria Miocene. [Abstr.]
Geol. Soc. Amer. Bull. 61(12): 1541.
—Reports a "fragmental skull with teeth" from Astoria, Oregon, and notes that the craters on the summits of many Desmostylus molar cusps are probably due to wear, as suggested by Marsh.