Prominent Hill N30E of Viking Talc Mine (Ordovician of the United States)

Also known as Loc. 39 of Merriam 1963

Where: Inyo County, California (36.4° N, 117.7° W: paleocoordinates 6.8° S, 78.8° W)

When: Ely Springs Formation, Late/Upper Ordovician (458.4 - 443.8 Ma)

Environment/lithology: gray dolomite

Size class: macrofossils

Preservation: original aragonite, original calcite, replaced with silica

Primary reference: W. E. Hall and E. M. MacKevett, Jr. 1962. Geology and ore deposits of the Darwin quadrangle, Inyo County, California. United States Geological Survey Professional Paper 368:1-87 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 226247: authorized by Jonathan Marcot, entered by Jonathan Marcot on 28.06.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Stauriida -
Streptelasmatina indet. Wedekind 1927 horn coral
"Several solitary streptelasmid types both large and small"
 Stauriida - Columnariidae
Columnaria cf. alveolata Goldfuss 1826 horn coral
 Heliolitida - Halysitidae
"Halysites (Catenipora) sp." = Catenipora
"Halysites (Catenipora) sp." = Catenipora Lamarck 1816 tabulate coral
"large form"
Strophomenata
 Strophomenida - Strophomenidae
? Opikina "n. sp." Salmon 1942
Strophomena "n. sp." Rafinesque and De Blainville 1824
 Strophomenida - Sowerbyellidae
"Thaerodonta sp." = Eochonetes
"Thaerodonta sp." = Eochonetes Reed 1917
Rhynchonellata
 Atrypida - Anazygidae
 Orthida - Platystrophiidae
 Orthida - Glyptorthidae
 Orthida - Plaesiomyidae
Plaesiomys sp. Hall and Clarke 1892
 Orthida - Dalmanellidae
"Onniella cf. quadrata" = Paucicrura quadrata
"Onniella cf. quadrata" = Paucicrura quadrata Wang 1949
 Orthida - Heterorthidae
 Rhynchonellida - Rhynchotrematidae
Lepidocyclus "n. sp." Wang 1949
"probably at least two species, one large"