Izee terrane, OR-705 (Jurassic of the United States)

Where: Oregon (44.1° N, 119.4° W: paleocoordinates 35.3° N, 59.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Warm Springs Member (Snowshoe Formation), Early/Lower Bajocian (171.6 - 168.4 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 127225: 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.
Show authors, comments, and common names
Protozoa
 Actinommacea - Xiphostylidae
Tripocyclia wickiupensis, Tripocyclia spp., Xiphostylus vallieri, Xiphostylus spp., Xiphostylus logdellensis, Xiphostylus fragilis, Archaeocenosphaera spp.
Tripocyclia spp. Haeckel 1881 radiolarian
Xiphostylus spp. Haeckel 1881 radiolarian
Xiphostylus logdellensis Pessagno et al. 1989 radiolarian
Xiphostylus fragilis Pessagno et al. 1989 radiolarian
Archaeocenosphaera spp. Pessagno et al. 1989 radiolarian
 Spumellaria - Parvivaccidae
Lanubus spp., Lanubus dickinsoni, Lanubus purus
Lanubus spp. Pessagno and Yang 1989 radiolarian
Lanubus dickinsoni Pessagno et al. 1989 radiolarian
Lanubus purus Pessagno et al. 1989 radiolarian