Where: Marion County, Oregon (45.0° N, 122.6° W: paleocoordinates 44.7° N, 113.6° W)

• coordinate estimated from map

When: Scotts Mills Formation, Chattian (28.1 - 23.0 Ma)

• Butte Creek Beds

•

•Later referrals of a number of vertebrae and ribs from the Late Oligocene "Butte Creek beds" (Scott Mills Formation) [28, 29] may extend the stratigraphic range of A. cotylalveus to the late Chattian [30-32], but in the absence of skull material or ear bones cannot currently not be confirmed. Marx & Fordyce 2015

Environment/lithology: estuary or bay; lithified, tuffaceous siltstone

Size class: macrofossils

Preservation: original phosphate

Collection methods: quarrying, surface (in situ),

Primary reference: W. N. Orr and P. R. Miller. 1983. Fossil Cetacea (whales) in the Oregon Western Cascades. Oregon Geology 45(9):95-98 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 57053: authorized by Mark Uhen, entered by Mark Uhen on 01.12.2005

Creative Commons license: CC BY (attribution)