Snowshoe Formation, Oregon, USA (Locality 547) (Jurassic of the United States)

Where: Oregon (44.0° N, 119.5° W: paleocoordinates 34.8° N, 59.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Snowshoe Formation, Bajocian (170.3 - 168.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine

• limestone matrix surrounding a specimen of Stephanoceras sp.

Size class: microfossils

Collection methods: Sample not collected by authors. Sample from R. Imlay (USGS, Washington, D.C.)

Primary reference: E. A. Pessagno, Jr. and C.D. Blome. 1980. Upper Triassic and Jurassic Pantanelliinae from California, Oregon, and British Columbia. Micropaleontology 26(3):225-273 [A. Miller/K. Layou/D. Schramm]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32743: authorized by Arnold Miller, entered by Karen Layou on 14.07.2003, edited by Adam Kocsis

Creative Commons license: CC BY (attribution)

Taxonomic list

• Abundance data given as rare (1-2 specimens); common (3-5 specimens); and abudant (6+ specimens). Data recorded as 1, 3, 6 specimens for rare, common, and abundant, respectively.
Show authors, comments, and common names
Protozoa
 Nassellaria - Parvicingulidae
Parvicingula matura
Parvicingula matura Pessagno and Whalen 1982 radiolarian
 Spumellaria - Pantanelliidae
Trillus seidersi, Zartus imlayi
Trillus seidersi radiolarian
Zartus imlayi radiolarian