Dresbach community, Eau Claire Mbr., Dresbach Fm.: Cambrian, Wisconsin
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Palaeacmaea indet.
Hall and Whitfield 1872
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| originally entered as "Palaeacmaea sp." | ||||||||||
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Hyolithida
- Hyolithidae
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Hyolithes sp.
d'Eichwald 1840
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Lingulata
- Lingulida
- Obolidae
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Lingulepis sp.
Hall 1863
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Dicellomus sp.
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Obolus sp.
Eichwald 1829
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Lingulella sp.
Salter 1866
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Helcionelloida
- Pelagiellida
- Pelagiellidae
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Pelagiella sp.
Matthew 1895
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Agnostida
- Ammagnostidae
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Proagnostus sp.
Butts 1926
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Trilobita
- Corynexochida
- Kaolishaniidae
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Pagodia sp.
Walcott 1905
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Trilobita
- Ptychopariida
- Crepicephalidae
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Coosia sp.
Walcott 1911
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Crepicephalus sp.
Owen 1852
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Trilobita
- Ptychopariida
- Marjumiidae
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Armonia sp.
Walcott 1924
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| synonym of Modocia | ||||||||||
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Trilobita
- Ptychopariida
- Lonchocephalidae
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Lonchocephalus sp.
Owen 1852
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Trilobita
- Ptychopariida
- Menomoniidae
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Dresbachia sp.
Walcott 1916
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Trilobita
- Ptychopariida
- Catillicephalidae
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Pemphigaspis sp.
Hall 1863
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Trilobita
- Asaphida
- Asaphidae
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Maryvillia sp.
Walcott 1916
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wisconsin |
| Coordinates: | 44.5° North, 89.6° West (view map) | ||
| Paleocoordinates: | 22.2° South, 88.0° West | ||
| Basis of coordinate: | based on political unit |
Time
| Period: | Cambrian | ||
| 10 m.y. bin: | Cambrian 1-5 | *Epoch: | Upper |
| Key time interval: | Cambrian | Zone: | Crepicephalus |
| Age range of interval: | 538.80000 - 485.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Dresbach | Member: | Eau Claire | ||
| Stratigraphy comments: "Dresbach - Crepicephalus zone." |
Lithology and environment
| Primary lithology: | desiccation cracks,current ripples,glauconitic sandstone |
| Environment: | marine indet. |
| Geology comments: "thin-to-thick bedded med.grained ss; x-lamination (75 ft); some congl., glauconite, mudcracks. nearshore (BA1)" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:"Twenhofel et al. [year illeg.]" | |
Metadata
| Database number: | 230 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1999-03-21 14:47:19 | Last modified: | 2017-01-07 22:57:18 |
| Access level: | the public | Released: | 1999-03-21 14:47:19 |
| 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] |