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)
• 17.1 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 95124: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Sarla sp. Pessagno et al. 1979 radiolarian
Sarla plena Blome 1983 radiolarian
Sarla aff. vetusta Pessagno et al. 1979 radiolarian
Capnuchosphaera sp. De Wever 1979 radiolarian
Capnuchosphaera colemani Blome 1983 radiolarian | |
Loffa sp., Justium sp., Justium novum, Justium robustum, Capnodoce sp., Capnodoce angusta, Capnodoce media, Capnodoce copiosa, Capnodoce baldiensis, Capnodoce antiqua, Capnodoce minuscula, Renzium sp., Renzium webergorum
Loffa sp. Pessagno et al. 1979 radiolarian
Justium sp. Blome 1983 radiolarian
Justium novum Blome 1983 radiolarian
Justium robustum Blome 1983 radiolarian
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 minuscula Blome 1983 radiolarian
Renzium sp. Blome 1983 radiolarian
Renzium webergorum Blome 1983 radiolarian |