List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
- Cyathocrinida
- Cyathocrinitidae
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Cyathocrinites sp.
Miller 1821
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Crinoidea
- Monobathrida
- Dichocrinidae
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Paradichocrinus sp.
Springer 1926
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Crinoidea
- Monobathrida
- Batocrinidae
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Macrocrinus sp.
Jaekel 1895
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Crinoidea
- Monobathrida
- Platycrinitidae
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Platycrinites sp.
Miller 1821
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Strophomenata
- Productida
- Echinoconchidae
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unclassified
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Gastropoda
- Euomphalina
- Platyceratidae
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Platyceras (Platyceras) sp.
Conrad 1840
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| sgn. (Platyceras) | ||||||||||
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Hyperamminidae
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Ammodiscidae
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Psammosphaeridae
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Rhodophyceae
- Aoujgaliaceae
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Indiana | County: | Montgomery |
| Coordinates: | 40.0° North, 86.9° West (view map) | ||||
| Paleocoordinates: | 30.0° South, 49.5° West (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Carboniferous | Epoch: | Mississippian |
| Stage: | Visean | 10 m.y. bin: | Carboniferous 2 |
| *Period: | Early/Lower Carboniferous | ||
| *International age/stage: | Ivorian - Chadian | *Local age/stage: | Late/Upper Osagean |
| Key time interval: | Chadian - Arundian | ||
| Age range of interval: | 346.7 - 339.9 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Muldraugh | Member: | Edwardsville | ||
| Local section: | Lower Quarry | Local bed: | I | ||
| Local order: | top to bottom | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: JA: the late Osagean is Chadian and Arundian according to Heckel and Clayton 2006 | |||||
Lithology and environment
| Primary lithology: | shelly/skeletal lithified "limestone" | ||
| Secondary lithology: | siltstone | ||
| Lithology description: thin lenses of crinoidal limestone and siltstone... fossiliferous silstones. | |||
| Environment: | delta front | Tectonic setting: | cratonic basin |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | difficult macrofossils |
| Collection methods: | bulk,chemical,mechanical,sieve,field collection |
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:does not include bryozoans | |
Metadata
| Database number: | 8075 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 2000-06-15 17:53:21 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2000-11-20 13:53:36 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 540. | N. G. Lane, J. L. Matthews, E. G. Driscoll and E. L. Yochelson. 1973. Paleontology and paleoecology of the Crawfordsville fossil site (Upper Osagian: Indiana). University of California Publications in Geological Sciences 99:1-141 [J. Alroy/M. Sommers/M. Uhen] |