Rock Creek, near Keasey (Eocene of the United States)

Also known as UCMP IP16004; Vernonia

Where: Columbia County, Oregon (45.9° N, 123.3° W: paleocoordinates 46.2° N, 111.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Refugian foram zone, middle Member (Keasey Formation), Priabonian (38.0 - 33.9 Ma)

• base of the middle member of the Keasey Formation, corelative with the Ecinophoria dalli Moluscan Zone, Galvinian, Molluscan Stage, Refugian Foraminiferal Stage, Priabonian Global Chronostratigraphic stage, the upper part of the Duchesnean Land Mammals Age and is estimated to be betweeen 39.5 and 40.5 Ma in age.

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); mudstone

• bathyal, 200 to 1000 meters

Size class: macrofossils

Collected by Goedert, Goedert; reposited in the LACM

• COLLECTORS: J. Goedert and G. Goedert. REPOSITORY: Los Angeles Museum of Natural History (LACM).

Primary reference: J. L. Goedert. 1988. A new late Eocene species of Plotopteridae (Aves: Pelecaniformes) from northwestern Oregon. Proceedings of the California Academy of Science 45(6):97-102 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 206340: authorized by Mark Uhen, entered by Mark Uhen on 12.11.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Lucinida - Thyasiridae
Conchocele taylori n. sp. Hickman 2015 clam
Mammalia
 Cetacea - Basilosauridae
Basilosauridae indet. Cope 1867 whale
NWMNH 2151