Bill's Creek, ~25 miles northeast of Escanaba: Maysvillian - Richmondian, Michigan

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

Geography
Country:United States State/province:Michigan County:Delta
Coordinates: 45.8° North, 87.0° West (view map)
Paleocoordinates:19.5° South, 55.8° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
Key time interval:Maysvillian - Richmondian Graptolite zone: Amplexograptus manitoulinensis
Age range of interval:452.00000 - 443.70000 m.y. ago
Stratigraphy
Formation:Bills Creek
Stratigraphic resolution:group of beds
Stratigraphy comments: Initially given as early Richmondian. Amplexograptus manitoulinensis & Amorphognathus superbus zones according to Wicander & Playford 2008.
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:75964
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2007-11-07 05:43:53 Last modified:2018-03-25 13:22:32
Access level:the public Released:2007-11-07 05:43:53
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]