USNM 10729. Crest of ridge east of McColley Canyon (Devonian of the United States)

Also known as 4783, R77,

Where: Eureka County, Nevada (40.2° N, 116.1° W: paleocoordinates 27.3° S, 54.6° W)

• coordinate based on nearby landmark

• 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; argillaceous limestone

Size classes: macrofossils, mesofossils

Preservation: original calcite, replaced with silica

Collected by M. A. Murphy in 1963; reposited in the USNM

Primary reference: J. G. Johnson. 1966. Two new spiriferid brachiopod genera from the Lower Devonian of Nevada. Journal of Paleontology 40(5):1043-1050 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164793: authorized by Pete Wagner, entered by Pete Wagner on 16.12.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Douvillinidae
Phragmostrophia merriami Harper et al. 1967
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
 Strophomenida -
""Strophochonetes" filistriata" = Johnsonetes filistriata
""Strophochonetes" filistriata" = Johnsonetes filistriata Walcott 1884
Rhynchonellata
 Atrypida - Atrypidae
Atrypa nevadana Merriam 1940
 Orthida - Rhipidomellidae
 Rhynchonellida - Trigonirhynchiidae
 Spiriferida - Adolfiidae
 Spiriferida - Hysterolitidae
Hysterolites sp. von Schlotheim 1820
 Terebratulida - Meganterididae