Snyder & Fraser 1953-54 collection for Army Corps of Engineers in Unalaska Islan (Oligocene of the United States)

Where: Alaska (53.8° N, 166.0° W: paleocoordinates 53.8° N, 166.0° W)

When: Unalaska Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

Environment/lithology: marine; lithology not reported

• Presence of the pelycepod, Mya, may be indicative of a cold-water fauna living in intertidal depths a few fathoms below low tide.

Size class: macrofossils

Collected in 1953-1954

Collection methods: surface (float), surface (in situ), mechanical

Primary reference: B. L. Beatty. 2006. Specimens of Cornwallius sookensis (Desmostylia, Mammalia) from Unalaska Island, Alaska. Journal of Vertebrate Paleontology 26(3):785-787 [B. Beatty/B. Beatty]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 91213: authorized by Brian Beatty, entered by Brian Beatty on 11.09.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Perissodactyla - Desmostylidae
Cornwallius sookensis Cornwall 1922 desmostylian