USNM 10762. Horse Creek Valley Quadrangle, northern Simpson Park Range (Devonian of the United States)

Also known as 4817, J16-2

Where: Eureka County, Nevada (40.0° N, 116.3° W: paleocoordinates 27.3° S, 54.9° W)

• outcrop-level geographic resolution

When: Eurekaspirifer pinyonensis brachiopod zone, Eurekaspirifer pinyonensis Zone Member (McColley Canyon Formation), Emsian (407.6 - 393.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; yellow, argillaceous limestone

• Several hundred feet of yellow argillaceous limestone

Size classes: macrofossils, mesofossils

Collected by J. G. Johnson in 1957; reposited in the USNM

Primary reference: J. G. Johnson. 1970. Great Basin Lower Devonian Brachiopoda. Geological Society of America Special Paper (131)1-421 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164735: authorized by Pete Wagner, entered by Pete Wagner on 14.12.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Productida - Strophochonetidae
 Strophomenida - Douvillinidae
Phragmostrophia merriami Harper et al. 1967
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
 Strophomenida - Strophodontidae
Megastrophia iddingsi Merriam 1940
 Athyridida - Meristellidae
 Spiriferida - Hysterolitidae
Brachyspirifer pinyonoides n. sp. Johnson 1970
 Pentamerida - Gypidulidae
Gypidula loweryi Merriam 1940
 Atrypida - Atrypidae
Atrypa nevadana Merriam 1940
 Rhynchonellida - Trigonirhynchiidae
 Orthida - Schizophoriidae
 Orthida - Dalmanellidae
Levenea fagerholmi n. sp. Johnson 1970
Cortezorthis cortezensis n. sp. Johnson and Talent 1967