Suplee-Izee Area, Snowshoe Formation, (Locality 549C) (Jurassic of the United States)

Where: Oregon (44.0° N, 119.5° W: paleocoordinates 34.5° N, 59.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Stephanoceras humphriesianum ammonoid zone, Snowshoe Formation, Late/Upper Bajocian (171.6 - 167.7 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 127249: 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 spp., Triactoma spp., Archaeocenosphaera spp.
Xiphostylus spp. Haeckel 1881 radiolarian
Triactoma spp. Rüst 1885 radiolarian
Archaeocenosphaera spp. Pessagno et al. 1989 radiolarian
 Nassellaria - Hsuidae
? Lupherium nitidum, Hsuum robustum, Hsuum parasolense
? Lupherium nitidum Pessagno and Whalen 1982 radiolarian
Hsuum robustum Pessagno and Whalen 1982 radiolarian
Hsuum parasolense Pessagno and Whalen 1982 radiolarian
 Nassellaria - Parvicingulidae
"Parvicingula sodaensis" = Praeparvicingula sodaensis, "Parvicingula grantensis" = Praeparvicingula grantensis, Parvicingula media
"Parvicingula sodaensis" = Praeparvicingula sodaensis Pessagno and Whalen 1982 radiolarian
"Parvicingula grantensis" = Praeparvicingula grantensis Pessagno and Whalen 1982 radiolarian
Parvicingula media Pessagno and Whalen 1982 radiolarian