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 | |
Gypidula loweryi Merriam 1940 | |
"Leiorhynchus" sp. Hall 1860 | |
"Leptocoelia infrequens" = Pacificocoelia infrequens
| |
Trigonirhynchia occidens Walcott 1884 | |
Hysterolites "sp. A" von Schlotheim 1820
Brachyspirifer pinyonoides Johnson 1970 | |
Spinella talenti n. sp.
Spinella talenti n. sp. Johnson 1970 | |
Atrypa nevadana Merriam 1940 | |
Schizophoria nevadaensis Merriam 1940 | |
Strophomenata | |
Leptaena sp. Dalman 1828 | |
Strophonella cf. punctulifera Conrad 1838 | |
Parachonetes macrostriatus Walcott 1884 | |
Chonetes sp. Fischer de Waldheim 1830 | |
""Strophochonetes" filistriata" = Johnsonetes filistriata
""Strophochonetes" filistriata" = Johnsonetes filistriata Walcott 1884 | |
Megastrophia iddingsi Merriam 1940 | |