Where: Baker County, Oregon (44.9° N, 117.3° W: paleocoordinates 21.3° N, 52.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lacian (221.5 - 215.6 Ma)

• Immediately above the coral zone

Environment/lithology: marine; lithified, calcareous shale

Size class: macrofossils

Preservation: mold/impression

Collected by J.P. Smith; reposited in the USNM

Primary reference: J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262 [D. Bottjer/C. Powers/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 33388: authorized by David Bottjer, entered by Catherine Powers on 28.07.2003

Creative Commons license: CC BY (attribution)