USGS Mesozoic loc. 2074, north of mouth of Euchre Creek (Jurassic to of the United States)

Where: Douglas County, Oregon (42.6° N, 124.4° W: paleocoordinates 39.3° N, 71.4° W)

• coordinate estimated from map

When: Tithonian to Tithonian (152.1 - 139.8 Ma)

• Tithonian? and Berriasian. Buchia uncitoides and B. piochii zones.

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by J. S. Diller and James Storrs in 1899; reposited in the USNM

Primary reference: R. W. Imlay and D. L. Jones. 1970. Ammonites from the Buchia zones in northwestern California and southwestern Oregon. United States Geological Survey Professional Paper 647-B:B1-B59 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225876: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.06.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Olcostephanidae
 Ammonitida - Neocomitidae
Neocosmoceras euchrense n. sp. Imlay and Jones 1970 ammonite
Bivalvia
 Pectinida - Buchiidae
Buchia uncitoides Pavlow 1907 scallop
"The two species of Buchia are preserved in a slightly different colored matrix, which suggests that they were collected from different beds."
Buchia piochii Gabb 1864 scallop
"The two species of Buchia are preserved in a slightly different colored matrix, which suggests that they were collected from different beds."