USNM 12775. West slope of Lone Mountain (Devonian of the United States)

Also known as LM-7

Where: Eureka County, Nevada (39.7° N, 116.4° W: paleocoordinates 27.4° S, 55.2° 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: argillaceous limestone

Size classes: macrofossils, mesofossils

Preservation: original calcite, replaced with silica

Collected by M. A. Murphy & A. J. Boucot in 1956, 1963; 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 164828: authorized by Pete Wagner, entered by Pete Wagner on 17.12.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Adolfiidae
Spinella talenti n. sp. Johnson 1970
 Spiriferida - Hysterolitidae
Hysterolites "sp. A" von Schlotheim 1820
 Orthida - Schizophoriidae
 Atrypida - Atrypidae
Atrypa nevadana Merriam 1940
 Rhynchonellida - Leptocoeliidae
"Leptocoelia infrequens" = Pacificocoelia infrequens
"Leptocoelia infrequens" = Pacificocoelia infrequens Walcott 1884
Leptocoelia infrequens infrequens
 Rhynchonellida - Trigonirhynchiidae
 Rhynchonellida - Leiorhynchidae
 Pentamerida - Gypidulidae
Gypidula loweryi Merriam 1940
Strophomenata
 Productida - Productellidae
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
 Strophomenida - Strophonellidae
 Strophomenida - Chonetidae
Chonetes sp. Fischer de Waldheim 1830
 Strophomenida - Strophochonetidae
 Strophomenida -
""Strophochonetes" filistriata" = Johnsonetes filistriata
""Strophochonetes" filistriata" = Johnsonetes filistriata Walcott 1884
 Strophomenida - Strophodontidae
Megastrophia iddingsi Merriam 1940