Suplee-Izee Area, Snowshoe Formation, (Locality 501C) (Jurassic of the United States)

Where: Oregon (44.0° N, 119.5° W: paleocoordinates 35.9° N, 61.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Snowshoe Formation, Late/Upper Bathonian (167.7 - 164.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, gray mudstone

• thin-bedded dark gray to black mudstones, shales, siltstones and sandstones

Size class: microfossils

Primary reference: E. A. Pessagno, Jr. and P.A. Whalen. 1982. Lower and Middle Jurassic Radiolaria (multicyrtid Nassellariina) from California, east-central Oregon and the Queen Charlotte Islands, B.C. Micropaleontology 28(2):111-169 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127256: 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 (3-5 specimens); and abudant (6+ specimens). Data recorded as 1, 3, 6 specimens for rare, common, and abundant, respectively.
Show authors, comments, and common names
Protozoa
 Actinommacea - Xiphostylidae
Tripocyclia spp., Tripocyclia brooksi, Tripocyclia southforkensis, Xiphostylus sinuosus, Xiphostylus spp., Triactoma spp., Archaeocenosphaera spp.
Tripocyclia spp. Haeckel 1881 radiolarian
Tripocyclia brooksi Pessagno et al. 1989 radiolarian
Tripocyclia southforkensis Pessagno et al. 1989 radiolarian
Xiphostylus spp. Haeckel 1881 radiolarian
Triactoma spp. Rüst 1885 radiolarian
Archaeocenosphaera spp. Pessagno et al. 1989 radiolarian
 Nassellaria - Archaeodictyomitridae
Archaeodictyomitra primigena
Archaeodictyomitra primigena Pessagno and Whalen 1982 radiolarian
 Nassellaria - Parvicingulidae
? Ristola turpicula, "Ristola decora" = Praeparvicingula decora, "Parvicingula vera" = Praeparvicingula vera, "Parvicingula profunda" = Praeparvicingula profunda, "Parvicingula schoolhousensis" = Praeparvicingula schoolhousensis, Parvicingula elegans, Parvicingula blackhorsensis
? Ristola turpicula Pessagno and Whalen 1982 radiolarian
"Ristola decora" = Praeparvicingula decora Pessagno and Whalen 1982 radiolarian
"Parvicingula vera" = Praeparvicingula vera Pessagno and Whalen 1982 radiolarian
"Parvicingula profunda" = Praeparvicingula profunda Pessagno and Whalen 1982 radiolarian
"Parvicingula schoolhousensis" = Praeparvicingula schoolhousensis Pessagno and Whalen 1982 radiolarian
Parvicingula elegans Pessagno and Whalen 1982 radiolarian
Parvicingula blackhorsensis Pessagno and Whalen 1982 radiolarian