Seal Rock State Park (Oligocene of the United States)

Also known as Seal Rock Wayside State Park

Where: Oregon (44.5° N, 124.1° W: paleocoordinates 44.2° N, 115.1° W)

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

• Fossils primarily found in yellowish-tan, coarse sandstone that contains abundant plant macrofossil fragments.

Environment/lithology: marine; lithified, coarse-grained, yellow, sandy sandstone

Size class: macrofossils

Preservation: charcoalification

Collected by Douglas Emlong in 1960-1977; reposited in the USNM

Collection methods: surface (float), mechanical,

• Material described in this paper include specimens at the USNM collected by Emlong over a period of almost two decades. Detailed notes for each specimen are housed in the USNM Archives.

Primary reference: B. L. Beatty. 2009. New material of Cornwallius sookensis (Mammalia: Desmostylia) from the Yaquina Formation of Oregon. Journal of Vertebrate Paleontology 29(3):894-909 [B. Beatty/B. Beatty]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 91211: authorized by Brian Beatty, entered by Brian Beatty on 11.09.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Desmostylidae
Cornwallius sookensis Cornwall 1922 desmostylian