Limestone Mountain: Richmondian, Michigan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Phacopida - Calymenidae
Flexicalymene ? quadricapita Stumm and Kauffman 1958
Flexicalymene praelongicephala n. sp. Stumm and Kauffman 1958
see common names

Geography
Country:United States State/province:Michigan County:Houghton
Coordinates: 46.8° North, 88.7° West (view map)
Paleocoordinates:17.9° South, 55.7° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
Stage:Katian 10 m.y. bin:Ordovician 5
Key time interval:Richmondian Graptolite zone: Amplexograptus manitoulinensis
Age range of interval:449.80000 - 446.00000 m.y. ago
Stratigraphy
Formation:Bills Creek
Stratigraphic resolution:group of beds
Stratigraphy comments: Richmond Layer VI in original paper. early Richmondian; terminology of Case & Robinson (1915); probably equivalent to Bills Creek.
Lithology and environment
Primary lithology: "shale"
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Museum repositories:UMMP
Metadata
Database number:75967
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2007-11-07 05:56:39 Last modified:2018-03-31 21:59:59
Access level:the public Released:2007-11-07 05:56:39
Creative Commons license:CC BY
Reference information

Primary reference:
25696. E.C. Stumm and E.G. Kauffman. 1958. Calymenid trilobites from the Ordovician rocks of Michigan. Journal of Paleontology 32(5):943-960 [P. Wagner/P. Wagner]