Where: Inyo County, California (37.0° N, 118.1° W: paleocoordinates 5.8° S, 84.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Barrel Spring Formation, Middle Ordovician (470.0 - 458.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils, microfossils

Preservation: replaced with silica

Reposited in the USGS

Primary reference: D. C. Ross. 1966. Stratigraphy of some Paleozoic formations in the Independence quadrangle, Inyo County, California. United States Geological Survey Professional Paper 396:1-64 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 196178: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.09.2018

Creative Commons license: CC BY (attribution)