USGS Mesozoic Locality 1252, Cow Creek (Cretaceous of the United States)

Where: Douglas County, Oregon (43.0° N, 123.4° W: paleocoordinates 41.8° N, 72.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Days Creek Formation, Hauterivian (132.9 - 129.4 Ma)

Environment/lithology: submarine fan; sandstone and siltstone

Size class: macrofossils

Preservation: original chitin

Collected by T.W. Stanton in 1894; reposited in the USNM

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

Primary reference: R. M. Feldmann. 1974. Hoploparia riddlensis, a new species of lobster (Decapoda: Nephropidae) from the Days Creek Formation (Hauterivian, Lower Cretaceous) of Oregon. Journal of Paleontology 48(3):586-593 [C. Schweitzer/C. Schweitzer/C. Schweitzer]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45673: authorized by Carrie Schweitzer, entered by Carrie Schweitzer on 22.11.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Neocomitidae
Hannaites riddlensis Anderson 1938 ammonite
 Ammonitida - Lytoceratidae
Lytoceras aulaeum Anderson 1938 ammonite
 Ammonitida - Polyptychitidae
"Wellsia oregonensis" = Homolsomites oregonensis Anderson 1938 ammonite
Wellsia vigorosa Imlay 1960 ammonite
Wellsia packardi Anderson 1938 ammonite
 Phylloceratida - Phylloceratidae
Phyllopachyceras umpquanum, "Phyllopachyceras trinitense" = Phyllopachyceras infundibulum, "Hypophylloceras aff. onoensis" = Phylloceras (Hypophylloceras)
Phyllopachyceras umpquanum Anderson 1938 ammonite
"Phyllopachyceras trinitense" = Phyllopachyceras infundibulum d'Orbigny 1840 ammonite
"Hypophylloceras aff. onoensis" = Phylloceras (Hypophylloceras) ammonite
Malacostraca
 Decapoda - Nephropidae
Hoploparia riddlensis Feldmann 1974 clawed lobster