Suplee-Izee Area, Snowshoe Formation, (Locality 501B) (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 127255: 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
Xiphostylus sinuosus, Xiphostylus spp., Tripocyclia spp., Tripocyclia southforkensis, Tripocyclia smithi, Tripocyclia brooksi, Archaeocenosphaera spp.
Xiphostylus spp. Haeckel 1881 radiolarian
Tripocyclia spp. Haeckel 1881 radiolarian
Tripocyclia southforkensis Pessagno et al. 1989 radiolarian
Tripocyclia smithi Pessagno et al. 1989 radiolarian
Tripocyclia brooksi Pessagno et al. 1989 radiolarian
Archaeocenosphaera spp. Pessagno et al. 1989 radiolarian
 Nassellaria - Parvicingulidae
Parvicingula elegans, Parvicingula blackhorsensis, "Ristola decora" = Praeparvicingula decora, "Parvicingula aff. vera" = Praeparvicingula vera, "Parvicingula profunda" = Praeparvicingula profunda, "Parvicingula schoolhousensis" = Praeparvicingula schoolhousensis, ? Ristola turpicula
Parvicingula elegans Pessagno and Whalen 1982 radiolarian
Parvicingula blackhorsensis Pessagno and Whalen 1982 radiolarian
"Ristola decora" = Praeparvicingula decora Pessagno and Whalen 1982 radiolarian
"Parvicingula aff. 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
? Ristola turpicula Pessagno and Whalen 1982 radiolarian
 Nassellaria - Archaeodictyomitridae
Archaeodictyomitra primigena
Archaeodictyomitra primigena Pessagno and Whalen 1982 radiolarian