Road metal quarry north of Winterset (Dennis Fm., Madison Co., IA): Missourian, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
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Crinoidea indet.
Miller 1821
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unclassified
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Brachiopoda indet.
Cuvier 1805
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Strophomenata
- Strophomenida
- Anopliidae
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Chonetina sp.
Krotow 1888
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Strophomenata
- Strophomenida
- Rugosochonetidae
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Chonetinella sp.
Ramsbottom 1952
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Strophomenata
- Orthotetida
- Derbyiidae
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Derbyia sp.
Waagen 1884
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Rhynchonellata
- Spiriferinida
- Punctospiriferidae
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Punctospirifer sp.
North 1920
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Rhynchonellata
- Spiriferida
- Ambocoeliidae
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Crurithyris sp.
George 1931
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Rhynchonellata
- Athyridida
- Neoretziidae
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Hustedia sp.
Hall and Clarke 1893
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Rhynchonellata
- Athyridida
- Athyrididae
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Composita sp.
Brown 1849
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea sp.
d'Orbigny 1847
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Stenolaemata
- Cryptostomata
- Septoporidae
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Septopora sp.
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Stenolaemata
- Cryptostomata
- Fenestellidae
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Fenestrellina sp.
d'Orbigny 1849
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Stenolaemata
- Rhabdomesida
- Rhomboporidae
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Rhombopora sp.
Meek 1872
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Iowa | County: | Madison |
| Coordinates: | 41.3° North, 94.0° West (view map) | ||||
| Paleocoordinates: | 1.5° South, 26.1° West | ||||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Carboniferous | Epoch: | Pennsylvanian |
| Stage: | Kasimovian | 10 m.y. bin: | Carboniferous 5 |
| Key time interval: | Missourian | ||
| Age range of interval: | 305.90000 - 303.70000 m.y. ago |
Stratigraphy
| Formation: | Dennis | Member: | Stark Shale |
Lithology and environment
| Primary lithology: | "shale" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | core |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 133 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2006-08-07 00:47:13 |
| Access level: | the public | Released: | 2000-11-20 13:53:09 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 12. | J. M. Malinky and P. H. Heckel. 1998. Paleoecology and taphonomy of faunal assemblages in gray "core" (offshore) shales in Midcontinent Pennsylvanian cyclothems. Palaios 13(4):311-334 [J. Alroy/M. Sommers/P. Wagner] |