ammonites
Suplee-Izee Area, Snowshoe Formation, (Locality 549B) (Jurassic of the United States)

Where: Oregon (44.0° N, 119.0° W: paleocoordinates 34.5° N, 59.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Snowshoe Formation, Late/Upper Bajocian (171.6 - 167.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified mudstone

• thin-bedded dark gray to black mudstones, shales, siltstones and sandstones

Size class: microfossils

Primary reference: E. Pessagno, W. M. Six, and Q. Yang. 1989. The Xiphostylidae Haeckel and Parvivaccidae, n. fam, (Radiolaria) from the North American Jurassic. Micropaleontology 35(3):193-255 [J. Pálfy/A. Kocsis] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127228: authorized by József Pálfy, entered by Adam Kocsis on 04.05.2012