Fields Creek, FC43B (Triassic of the United States)

Where: Grant County, Oregon (44.2° N, 119.3° W: paleocoordinates 18.9° N, 55.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Fields Creek Formation (Aldrich Mountains Group), Norian (228.0 - 208.5 Ma)

• Corum parvum assemblage

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified, cherty/siliceous mudstone

Size class: microfossils

Primary reference: K. Y. Yeh. 1989. Studies of Radiolaria from the Fields Creek Formation, east-central Oregon, USA. Bulletin of the National Museum of Natural Science 1:43-109 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96114: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.05.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Spumellaria - Capnuchosphaeridae
Sarla triangulata n. sp., Sarla formosa n. sp., Sarla cf. formosa
Sarla triangulata n. sp. Yeh 1989 radiolarian
Sarla formosa n. sp. Yeh 1989 radiolarian
Sarla cf. formosa Yeh 1989 radiolarian
 Nassellaria - Pseudodictyomitridae
Multimonilis cf. splendidus
Multimonilis cf. splendidus Yeh 1989 radiolarian
 Entactinaria -
Kahlerosphaera "sp. C"
Kahlerosphaera "sp. C" Kozur and Mostler 1979 radiolarian
 Entactinaria - Multiarcusellidae
Quadrisaturnalis "sp. G", Quadrisaturnalis "sp. H", Quadrisaturnalis dickinsoni n. sp., Quadrisaturnalis cf. dickinsoni, Quadrisaturnalis quadratus n. sp.
Quadrisaturnalis "sp. G" Yeh 1989 radiolarian
Quadrisaturnalis "sp. H" Yeh 1989 radiolarian
Quadrisaturnalis dickinsoni n. sp. Yeh 1989 radiolarian
Quadrisaturnalis cf. dickinsoni Yeh 1989 radiolarian
Quadrisaturnalis quadratus n. sp. Yeh 1989 radiolarian