I-940 (Carboniferous of the United States)

Where: Inyo County, California (37.0° N, 118.1° W: paleocoordinates 0.5° N, 51.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: bilineatus-Upper Cavusgnathus Zone conodont zone, Kearsarge Formation, Chesterian (339.4 - 318.1 Ma)

• Stevens et al., said that none of the rocks in the Mazourka area are "Perdido Group" sensu stricto, renamed strata previously named "Perdido" as Squares Tunnel and Kearsarge Formations. Ross says this locality is "near the top" of the Perdido, which would make it Kearsarge Fm.

• 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 196196: authorized by Jonathan Marcot, entered by Jonathan Marcot on 06.09.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa indet. Ehrenberg 1834
"Horn coral indet."
 Strophomenida -
? Strophomenoidea indet. King 1846
"Strophomenoid? brachiopod indet."
 Spiriferinida - Reticulariinidae
Reticulariina sp. Fredericks 1916
Crinoidea indet. Miller 1821 Sea lily
"Crinoid columnals"