Lake Huron Beach, north of Rockport Quarry ½ miles N Alpena:Presque Isle Co: Eifelian, Michigan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Euomphalina
- Euomphalidae
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Mastigospira ingens n. sp.
La Rocque 1949
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Mastigospira intermedia n. sp.
La Rocque 1949
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Straparollus (Straparollus) cottrelli n. sp.
Linsley and Yochelson 1973
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Linsley and Yochelson 1973 | |||||||||
| I think that this is the type locality, but it is not 100% clear. | ||||||||||
| 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: | Polygnathus ensensis |
| Age range of interval: | 393.3 - 387.7 m.y. ago |
Stratigraphy
| Formation: | Rogers City | Member: | Emanuella | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: 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
| Also known as: | La Rocque Locality 54: Lake Huron Beach north Rockport Qrry 0.5 miles N Alpena:Presque Isle Co | ||
| Database number: | 85516 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2009-01-05 17:11:39 | Last modified: | 2012-06-18 21:31:49 |
| Access level: | the public | Released: | 2009-01-05 17:11:39 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 16125. | A. La Rocque. 1949. New uncoiled gastropods from the Middle Devonian of Michigan and Manitoba. Contributions from the Museum of Paleontology, University of Michigan 7(7):113-122 [P. Wagner/P. Wagner] |
Secondary references:
| 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] |