Franconian, Elvinia zone, Davis Fm.: Franconian, Indiana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Lingulata
- Lingulida
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Lingulida indet.
Waagen 1885
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Agnostida
- Diplagnostidae
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Pseudagnostus sp.
Jaekel 1909
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Trilobita
- Ptychopariida
- Phylacteridae
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Aphelotoxon sp.
Palmer 1965
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? Drabia sp.
Wilson 1951
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| originally entered as "? Drabia sp." | ||||||||||
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Trilobita
- Ptychopariida
- Elviniidae
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Elvinia sp.
Walcott 1924
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| 2 species | ||||||||||
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Trilobita
- Ptychopariida
- Kingstoniidae
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Bynumina sp.
Resser 1942
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Trilobita
- Olenida
- Pterocephaliidae
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Pterocephalia sp.
Roemer 1849
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Trilobita
- Olenida
- Dokimokephalidae
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Dellea sp.
Wilson 1949
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Kindbladia sp.
Frederickson 1948
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Calocephalites sp.
Kurtz 1975
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Trilobita
- Corynexochida
- Cheilocephalidae
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Cheilocephalus sp.
Berkey 1898
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Indiana |
| Coordinates: | 39.6° North, 86.9° West (view map) | ||
| Paleocoordinates: | 25.1° South, 83.5° West | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | basin |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | *Epoch: | Upper | *Local age/stage: | Franconian |
| Key time interval: | Franconian | Zone: | Elvinia |
| Age range of interval: | 497 - 485.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Davis | ||||
| Stratigraphy comments: "Franconian, Elvinia zone" |
Lithology and environment
| Primary lithology: | silty "limestone" | ||
| Environment: | shallow subtidal indet. | Tectonic setting: | cratonic basin |
| Geology comments: "silty to fine-sandy ls (5' interval), shallow subtidal, BA2?, stable craton" | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:"Palmer, 1982" [trilobites, 1 brach] | |
Metadata
| Database number: | 245 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2017-01-06 18:08:53 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32153. | A. R. Palmer. 1982. Fossils of Dresbachian and Franconian (Cambrian) age from the subsurface of west-central Indiana. Indiana Department of Natural Resources, Geological Survey Special Report 29:1-12 [P. Wagner/P. Wagner] |