USNM 12778. East flank of McColley Canyon, 200-300 ft E. of creek: Emsian, Nevada
collected by A. J. Boucot 1963

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferida - Cyrtinopsidae
Megakozlowskiella cf. raricosta (Conrad 1842)
18 specimens
Rhynchonellata - Spiriferida - Hysterolitidae
Acrospirifer kobehana (Merriam 1940)
418 specimens
recombined as Patriaspirifer kobehana
Rhynchonellata - Spiriferida - Ambocoeliidae
Metaplasia sp.
64 specimens
Rhynchonellata - Athyridida - Anoplothecidae
Coelospira sp. Hall 1863
143 specimens
Rhynchonellata - Athyridida - Nucleospiridae
Nucleospira cf. subsphaerica Johnson 1970
81 specimens
Rhynchonellata - Athyridida - Meristellidae
Meristella robertsensis Merriam 1940
349 specimens
Rhynchonellata - Atrypida - Atrypidae
Atrypa nevadana Merriam 1940
16 specimens
Rhynchonellata - Orthida - Draboviidae
Salopina sp. Boucot 1960
18 specimens
Rhynchonellata - Orthida - Rhipidomellidae
Dalejina informal sp. C Havlicek 1953
785 specimens
Rhynchonellata - Spiriferinida - Cyrtinidae
Cyrtina informal sp. C Davidson 1858
56 specimens
Rhynchonellata - Rhynchonellida - Leptocoeliidae
Leptocoelia aff. murphyi Johnson 1970
38 specimens
Rhynchonellata - Rhynchonellida - Leiorhynchidae
? Katunia sp.
18 specimens
corrected as Katuniella
Strophomenata - Strophomenida - Chonetidae
? Chonetes sp. Fischer de Waldheim 1830
4 specimens
Strophomenata - Strophomenida - Anopliidae
Anoplia elongata Johnson 1970
1974 specimens
Strophomenata - Strophomenida - Strophodontidae
Stropheodonta filicosta Johnson 1970
22 specimens
Pholidostrophia (Pholidostrophia) sp. Hall and Clarke 1892
22 specimens
Megastrophia transitans Johnson 1970
55 specimens
Strophomenata - Strophomenida - Amphistrophiidae
Mclearnites invasor Johnson 1970
103 specimens
Strophomenata - Strophomenida - Douvillinidae
Phragmostrophia cf. merriami Harper et al. 1967
6 specimens
Strophomenata - Strophomenida - Leptostrophiidae
Leptostrophia informal sp. D Hall and Clarke 1892
19 specimens
Strophomenata - Strophomenida - Strophonellidae
Strophonella cf. punctulifera (Conrad 1838)
28 specimens
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena informal sp. C Dalman 1828
73 specimens
Strophomenata - Orthotetida - Schuchertellidae
"Schuchertella" informal sp. C Girty 1904
127 specimens
see common names

Geography
Country:United States State/province:Nevada County:Eureka
Coordinates: 40.1° North, 116.1° West (view map)
Paleocoordinates:27.3° South, 54.7° West
Basis of coordinate:based on nearby landmark
Altitude:7250 feet
Geographic resolution:outcrop
Time
Period:Devonian Epoch:Early/Lower Devonian
Stage:Emsian 10 m.y. bin:Devonian 2
Key time interval:Emsian Brachiopod zone: Acrospirifer kobehana
Age range of interval:407.60000 - 393.30000 m.y. ago
Stratigraphy
Formation:McColley Canyon Member:Acrospirifer kobehana
Regional section:Formation Regional bed:185 - 205 ft
Regional order:bottom to top
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: "limestone"
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:A. J. Boucot Collection dates:1963
Metadata
Also known as:MCE
Database number:164691
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2014-12-10 20:34:50 Last modified:2018-11-10 13:55:59
Access level:the public Released:2014-12-10 20:34:50
Creative Commons license:CC BY
Reference information

Primary reference:
46256. J. G. Johnson. 1970. Great Basin Lower Devonian Brachiopoda. Geological Society of America Special Paper (131)1-421 [P. Wagner/P. Wagner]