Trempealeau Fm., Lodi Mbr.: Trempealeauan, Wisconsin
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Pterobranchia
- Dendroidea
- Dendrograptidae
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Dendrograptus sp.
Hall 1858
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unclassified
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Prozacompsus sp.
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Aglaspidida
- Aglaspididae
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Aglaspis sp.
Hall 1862
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Trilobita
- Harpetida
- Entomaspididae
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Entomaspis sp.
Ulrich 1931
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| originally entered as "Entomespis sp." | ||||||||||
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Trilobita
- Corynexochida
- Illaenidae
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Illaenurus sp.
Hall 1863
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Trilobita
- Asaphida
- Dikelocephalidae
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Dikelocephalus sp.
Owen 1852
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Tellerina sp.
Ulrich and Resser 1933
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Saukiella sp.
Ulrich and Resser 1933
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Saukia sp.
Walcott 1914
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Trilobita
- Asaphida
- Eurekiidae
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Eurekia sp.
Walcott 1924
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Corbina sp.
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Trilobita
- Ptychopariida
- Catillicephalidae
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Acheilops sp.
Ulrich 1931
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Trilobita
- Ptychopariida
- Plethopeltidae
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Plethopeltis sp.
Raymond 1913
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Stenopilus sp.
Raymond 1924
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Lingulata
- Lingulida
- Obolidae
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Lingulella sp.
Salter 1866
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Westonia sp.
Walcott 1901
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Gastropoda
- Sinuopeidae
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Dirhachopea sp.
Ulrich et al. 1931
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| originally entered as "Dirachopea sp." | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wisconsin |
| Coordinates: | 44.5° North, 89.6° West (view map) | ||
| Paleocoordinates: | 21.5° South, 79.3° West | ||
| Basis of coordinate: | based on political unit |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | *Epoch: | Upper | *Local age/stage: | Trempealeauan |
| Key time interval: | Trempealeauan | ||
| Age range of interval: | 489.2 - 485.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Trempealeau | Member: | Lodi | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: "Trempealeauan" | |||||
Lithology and environment
| Primary lithology: | desiccation cracks,current ripples siltstone | ||
| Environment: | peritidal | Tectonic setting: | cratonic basin |
| Geology comments: "dolomitic slst (18ft) micaceous, some mudcracks, some edgewise congl., x-lamination. nearshore (BA1), cratonic" | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:"Twenhofel et al. 1935" | |
Metadata
| Database number: | 256 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2017-01-07 23:00:26 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32152. | W. H. Twenhofel, G. O. Raasch, and F. T. Thwaites. 1935. Cambrian strata of Wisconsin. Geological Society of America Bulletin 46(11):1687-1744 [P. Wagner/P. Wagner] |