Where: Grant County, Oregon (44.1° N, 119.4° W: paleocoordinates 18.8° N, 55.2° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Rail Cabin Argillite Formation, Norian (228.0 - 208.5 Ma)
• 45 m above contact, (Late Carnian?)Early to late Middle Norian
• bed-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified, cherty/siliceous mudstone
Size class: microfossils
Primary reference: C. D. Blome. 1983. Upper Triassic Capnuchosphaeridae and Capnodocinae (Radiolaria) from east-central Oregon. Micropaleontology 29(1):11-49 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 95128: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
Sarla sp., Catoma sp., Catoma inedita, Catoma concinna, Catoma geometrica, Capnuchosphaera sp., Capnuchosphaera deweveri, Capnuchosphaera schenki
Sarla sp. Pessagno et al. 1979 radiolarian
Catoma sp. Blome 1983 radiolarian
Catoma inedita Blome 1983 radiolarian
Catoma concinna Blome 1983 radiolarian
Catoma geometrica Blome 1983 radiolarian
Capnuchosphaera sp. De Wever 1979 radiolarian
Capnuchosphaera deweveri Kozur and Mostler 1979 radiolarian
Capnuchosphaera schenki Blome 1983 radiolarian | |
|
Icrioma sp. De Wever 1979 radiolarian
Icrioma transversa Blome 1983 radiolarian
Icrioma praecipua Blome 1983 radiolarian | |
Capnodoce sp., Capnodoce angusta, Capnodoce media, Capnodoce copiosa, Capnodoce baldiensis, Capnodoce antiqua, Capnodoce kochi, Capnodoce traversi, Renzium sp.
Capnodoce sp. De Wever 1979 radiolarian
Capnodoce angusta Blome 1983 radiolarian
Capnodoce media Blome 1983 radiolarian
Capnodoce copiosa Blome 1983 radiolarian
Capnodoce baldiensis Blome 1983 radiolarian
Capnodoce antiqua Blome 1983 radiolarian
Capnodoce kochi Blome 1983 radiolarian
Capnodoce traversi Pessagno et al. 1979 radiolarian
Renzium sp. Blome 1983 radiolarian | |