On the saddle just north of hill 8167, Martin's Ridge (Ordovician of the United States)
Also known as Martin Ridge
Where: Eureka County, Nevada (39.2° N, 116.4° W)
• Paleocoordinates: 2.1° N, 129.5° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: B Member (Copenhagen Formation), Mohawkian (457.3 - 451.0 Ma)
Environment/lithology: yellow limestone
• Overlying the "lower sandstone" occurs about 150 feet of thin-bedded, yellow-weathering limestone abounding in fossils. Generally the specimens are not well preserved, and they are not silicified.
Size class: macrofossils
Collected by F.C. Shaw and H.B. Whittington in 1965
Primary reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245 [P. Wagner/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 186187: authorized by Pete Wagner, entered by Pete Wagner on 17.06.2017
Creative Commons license: CC0 (CC0)
Taxonomic list
Show authors, comments, and common names
Rhynchonellata | |
Camerella "sp. 3" Billings 1859 | |
Strophomenata | |
"Macrocoelia occidentalis" = Colaptomena
"Macrocoelia occidentalis" = Colaptomena | |
Sowerbyites lamellosus Cooper 1956 | |
"Eoplectodonta alternata" = Eoplectodonta (Eoplectodonta) alternata, Sowerbyella "sp. 4"
"Eoplectodonta alternata" = Eoplectodonta (Eoplectodonta) alternata Butts 1942
Sowerbyella "sp. 4" Jones 1928 | |
Oxoplecia monitorensis n. sp.
Oxoplecia monitorensis n. sp. Cooper 1956 | |
Lingulata | |