OR-39 Morgan Mountain, Izee (Triassic of the United States)

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)

• upper part of Rail Cabin; no older than late Middle Norian

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified lime mudstone

• black calcilutite float

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 95117: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• abundance data: rare: 1-2 specimens, common: 3-6 specimens, abundant: >6 specimens
Show authors, comments, and common names
Protozoa
 Entactinaria - Hindeosphaeridae
"Sarla longispinosum" = Sepsagon longispinosus
"Sarla longispinosum" = Sepsagon longispinosus Kozur and Mostler 1979 radiolarian
 Spumellaria - Pantanelliidae
Loffa sp., Loffa vesterensis n. sp., Loffa lepida n. sp., Capnodoce sp., Capnodoce beaulieui n. sp., Capnodoce minuscula n. sp., Capnodoce kochi n. sp., Capnodoce antiqua, Capnodoce extenta n. sp., Capnodoce traversi, Capnodoce baldiensis, Capnodoce insueta n. sp., Capnodoce aff. anapetes, Capnodoce malaca n. sp., Capnodoce copiosa n. sp., Capnodoce media, Capnodoce fragilis n. sp., Capnodoce angusta, Capnodoce sinuosa n. sp., Renzium sp., Renzium adversum n. sp.
Loffa sp. Pessagno et al. 1979 radiolarian
Loffa vesterensis n. sp. Blome 1983 radiolarian
Loffa lepida n. sp. Blome 1983 radiolarian
Capnodoce sp. De Wever 1979 radiolarian
Capnodoce beaulieui n. sp. Blome 1983 radiolarian
Capnodoce minuscula n. sp. Blome 1983 radiolarian
Capnodoce kochi n. sp. Blome 1983 radiolarian
Capnodoce antiqua Blome 1983 radiolarian
Capnodoce extenta n. sp. Blome 1983 radiolarian
Capnodoce traversi Pessagno et al. 1979 radiolarian
Capnodoce baldiensis Blome 1983 radiolarian
Capnodoce insueta n. sp. Blome 1983 radiolarian
Capnodoce aff. anapetes De Wever 1979 radiolarian
Capnodoce malaca n. sp. Blome 1983 radiolarian
Capnodoce copiosa n. sp. Blome 1983 radiolarian
Capnodoce media Blome 1983 radiolarian
Capnodoce fragilis n. sp. Blome 1983 radiolarian
Capnodoce angusta Blome 1983 radiolarian
Capnodoce sinuosa n. sp. Blome 1983 radiolarian
Renzium sp. Blome 1983 radiolarian
Renzium adversum n. sp. Blome 1983 radiolarian
 Spumellaria - Hexaporobrachiidae
Icrioma sp., Icrioma transversa n. sp., Icrioma praecipua n. sp.
Icrioma sp. De Wever 1979 radiolarian
Icrioma transversa n. sp. Blome 1983 radiolarian
Icrioma praecipua n. sp. Blome 1983 radiolarian
 Spumellaria - Capnuchosphaeridae
Catoma sp., Catoma concinna n. sp., Catoma inedita n. sp., Catoma geometrica n. gen. n. sp., Capnuchosphaera sp., Capnuchosphaera sockensis n. sp., Capnuchosphaera schenki n. sp., Capnuchosphaera smithorum n. sp., Capnuchosphaera colemani n. sp., Capnuchosphaera deweveri, Capnuchosphaera soldierensis n. sp., Capnuchosphaera silviesensis n. sp., Sarla sp., Sarla delicata n. sp., Sarla externa n. sp.
Catoma sp. Blome 1983 radiolarian
Catoma concinna n. sp. Blome 1983 radiolarian
Catoma inedita n. sp. Blome 1983 radiolarian
Catoma geometrica n. gen. n. sp. Blome 1983 radiolarian
Capnuchosphaera sp. De Wever 1979 radiolarian
Capnuchosphaera sockensis n. sp. Blome 1983 radiolarian
Capnuchosphaera schenki n. sp. Blome 1983 radiolarian
Capnuchosphaera smithorum n. sp. Blome 1983 radiolarian
Capnuchosphaera colemani n. sp. Blome 1983 radiolarian
Capnuchosphaera deweveri Kozur and Mostler 1979 radiolarian
Capnuchosphaera soldierensis n. sp. Blome 1983 radiolarian
Capnuchosphaera silviesensis n. sp. Blome 1983 radiolarian
Sarla sp. Pessagno et al. 1979 radiolarian
Sarla delicata n. sp. Blome 1983 radiolarian
Sarla externa n. sp. Blome 1983 radiolarian