Where: Oregon (44.1° N, 119.4° W: paleocoordinates 21.5° N, 56.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Rhaetian (208.5 - 201.3 Ma)

• Exotic block in Graylock Formation

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Collection methods: Repository: Northwest Museum of Natural History (NWMNH)

Primary reference: D. G. Taylor and J. Guex. 2002. The Triassic/Jurassic System boundary in the John Day Inlier, east-central Oregon. Oregon Geology 64:3-28 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157618: authorized by Matthew Clapham, entered by Matthew Clapham on 26.06.2014

Creative Commons license: CC BY (attribution)