LSJU loc. 23146, Cerro Gordo Spring Trail (Carboniferous of the United States)

Also known as Cerro Gordo Pipeline Trail; CAS G loc. 72097

Where: Inyo County, California (36.6° N, 117.8° W: paleocoordinates 3.1° N, 47.2° W)

• coordinate estimated from map

When: Rest Spring Formation, Arnsbergian (327.0 - 323.7 Ma)

• originally indicated as "White Pine Shale (Chainman Shale)" Late Arnsbergian age from Titus 2000

Environment/lithology: marine; concretionary, gray, calcareous shale

• "dark-gray calcareous concretion"

Size class: macrofossils

Collected by J. F. Mason; reposited in the USGS

Primary reference: M. Gordon, Jr. 1964. California Carboniferous cephalopods. United States Geological Survey Professional Paper 483-A:A1-A27 [J. Marcot/J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 220593: authorized by Jonathan Marcot, entered by Jonathan Marcot on 10.06.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

 Prolecanitida - Prolecanitidae
Dombarocanites masoni n. sp. Gordon 1964 ammonite