UCMP 1005, Grassy Point (Triassic of the United States)

Where: Shasta County, California (40.8° N, 122.3° W: paleocoordinates 13.4° N, 53.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hosselkus Formation, Tuvalian (232.0 - 221.5 Ma)

• From the Hosselkus Limstone according to the UCMP database. Could be early Norian, but the other fish remains come from the "Tropites limestone" of late Carnian age.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black limestone

Size class: macrofossils

Reposited in the UCMP

Primary reference: D. S. Jordan. 1907. The fossil fishes of California, with supplementary notes on other species of extinct fishes. University of California Publications, Bulletin of the Department of Geology 5(7):95-144 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188587: authorized by Matthew Clapham, entered by Matthew Clapham on 08.09.2017, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

 Palaeonisciformes - Birgeriidae
"Xenesthes velox n. gen. n. sp." = Birgeria velox
"Xenesthes velox n. gen. n. sp." = Birgeria velox Jordan 1907
UCMP 9098
 Thalattosauria -
Nectosaurus sp. Merriam 1905 diapsid