Suplee-Izee area, OR-580 (Jurassic of the United States)

Where: Oregon (44.1° N, 119.4° W: paleocoordinates 34.6° N, 58.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Warm Springs Member (Snowshoe Formation), Aalenian (174.1 - 170.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, black, gray mudstone and lithified limestone

• Reddish-brown weathering, dark gray or black mudstone, fissile shale, and siltstone; occassionally with dark gray, weathering gray or white micritic limestone nodules.

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 127222: authorized by József Pálfy, entered by Adam Kocsis on 04.05.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• Abundance data given as rare (1-2 specimens); common (3-6 specimens); abundant (6+ specimens). Data entered using conservative values of 1, 3, and 6 for rare, common and abundant, respectively.
Protozoa
 Actinommacea - Xiphostylidae
Archaeocenosphaera spp. Pessagno et al. 1989 radiolarian
Xiphostylus spp. Haeckel 1881 radiolarian
Triactoma spp. Rüst 1885 radiolarian