Highway 37 interchange, north of Sulphur: Chesterian, Indiana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Blastoidea
- Pentremitida
- Pentremitidae
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Pentremites elegans
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Beaver and Fabian 1998 | 7 specimens | |||||
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Asteroidea
- Kermasida
- Permasteridae
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Delicaster enigmaticus
(Kesling 1967)
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Blake and Elliott 2003 | 1 specimen | |||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Indiana | County: | Crawford |
| Coordinates: | 38.2° North, 86.5° West (view map) | ||||
| Paleocoordinates: | 13.4° South, 29.1° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Carboniferous | Epoch: | Mississippian |
| 10 m.y. bin: | Carboniferous 2-3 | ||
| Key time interval: | Chesterian | ||
| Age range of interval: | 335.8 - 323.2 m.y. ago |
Stratigraphy
| Formation: | Big Clifty | Member: | Indian Springs shale | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Lower Chesterian | |||||
Lithology and environment
| Primary lithology: | lithified marl |
| Includes fossils? | Y |
| Environment: | marine indet. |
| Geology comments: No geology info given | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | excellent |
| Abundance in sediment: | rare |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 26 | ||
| Authorizer: | J. Alroy, L. Villier | Enterer: | M. Sommers, L. Villier |
| Modifier: | L. Villier | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2009-09-10 05:06:57 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24432. | D. B. Blake. 2002. Compsaster formosus Worthen & Miller (Asteroidea; Echinodermata): a Carboniferous homeomorph of post-Paleozoic Asteriidae. Paläontologische Zeitschrift 76(2):357-367 [L. Villier/L. Villier] |
Secondary references:
| 5 | H. H. Beaver and A. J. Fabian. 1998. Color patterns in Mississippian (Chesterian) blastoids. Journal of Paleontology 72(2):332-338 [J. Alroy/M. Sommers/M. Uhen] | |
| 24441 | D. B. Blake and D. R. Elliott. 2003. Ossicular homologies, systematics, and phylogenetic implications of certain North American Carboniferous asteroids (Echinodermata). Journal of Paleontology 77(3):476-489 [L. Villier/L. Villier] |