Lake Huron Beach, 0.6 miles north of Rockport Quarry ½ mile N Alpena: Eifelian, Michigan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Euomphalina - Euomphalidae
Straparollus (Euomphalus) hoffmani n. sp. Linsley and Yochelson 1973
see common names

Geography
Country:United States State/province:Michigan County:Alpena
Coordinates: 45.2° North, 83.4° West (view map)
Paleocoordinates:35.4° South, 29.0° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Devonian Epoch: Middle Devonian
Stage: Eifelian 10 m.y. bin: Devonian 3
Key time interval: Eifelian Conodont zone:  Tortodus kockelianus
Age range of interval: 393.3 - 387.7 m.y. ago
Stratigraphy
Formation:Rogers City Member:Omphalocirrus
Regional section:Rogers City Regional bed:1-58 ft
Regional order:top to bottom
Stratigraphic resolution:group of beds
Stratigraphy comments: Local Zone 5. Cazenovia
Lithology and environment
Primary lithology: "limestone"
Environment:carbonate indet.
Taphonomy
Modes of preservation:body,cast
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Museum repositories:UMMP
Metadata
Database number:98042
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2010-09-17 20:12:16 Last modified:2012-06-18 21:32:22
Access level:the public Released:2010-09-17 20:12:16
Creative Commons license:CC BY
Reference information

Primary reference:
15162. R. M. Linsley and E. L. Yochelson. 1973. Devonian carrier shells (Euomphalidae) from North America and Germany. United States Geological Survey Professional Paper 824:1-23 [P. Wagner/P. Wagner]