02-SGH-3.8B: Richmondian, Indiana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Tentaculita
- Cornulitida
- Cornulitidae
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Cornulites sp.
Schlotheim 1820
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3 individuals | |||||||||
Bivalvia
- Myalinida
- Ambonychiidae
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Ambonychia sp.
Hall 1847
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2 individuals | |||||||||
Rhynchonellata
- Atrypida
- Anazygidae
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Zygospira modesta
(Hall 1847)
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9 individuals | |||||||||
Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena sp.
Rafinesque and De Blainville 1824
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1 individual | |||||||||
unclassified
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Bryozoa indet.
Ehrenberg 1831
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1 individual | |||||||||
encrusting | ||||||||||
Stenolaemata
- Cryptostomata
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Cryptostomata indet.
Vine 1884
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7 individuals | |||||||||
Trilobita
- Asaphida
- Asaphidae
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Isotelus sp.
Dekay 1824
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1 individual | |||||||||
Trilobita
- Phacopida
- Calymenidae
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Flexicalymene sp.
Shirley 1936
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9 individuals | |||||||||
see common names |
Geography
Country: | United States | State/province: | Indiana | County: | Franklin |
Coordinates: | 39.3° North, 85.0° West (view map) | ||||
Paleocoordinates: | 25.4° South, 58.4° West | ||||
Basis of coordinate: | unpublished field data | ||||
Geographic resolution: | small collection |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
Stage: | Katian | 10 m.y. bin: | Ordovician 5 | *Local age/stage: | Richmondian |
Key time interval: | Richmondian | ||
Age range of interval: | 449.80000 - 446.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Oregonia | ||||
Local section: | South Gate Hill | Local bed: | 3.8 m | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: C4 sequence |
Lithology and environment
Primary lithology: | bioturbation,phosphatic,shelly/skeletal,gray lithified packstone | ||
Secondary lithology: | gray lithified mudstone | ||
Includes fossils? | Y | ||
Environment: | open shallow subtidal | Tectonic setting: | cratonic basin |
Taphonomy
Modes of preservation: | body,mold/impression,original calcite,replaced with calcite |
Temporal resolution: | time-averaged |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection excludes: | all microfossils |
Collection methods: | observed (not collected) |
Collection size: | 33 individuals |
Rock censused: | 1200 cm2 (area) |
Reason for describing collection: | paleoecologic analysis |
Metadata
Database number: | 72471 | ||
Authorizer: | S. Holland | Enterer: | S. Holland | Research group: | marine invertebrate |
Created: | 2007-06-04 11:43:05 | Last modified: | 2007-06-04 14:43:05 |
Access level: | the public | Released: | 2007-06-04 11:43:05 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
24429. | S. M. Holland and M.E. Patzkowsky. 2007. Gradient ecology of a biotic invasion: biofacies of the type Cincinnatian Series (Upper Ordovician), Cincinnati, Ohio region, USA. Palaios 22:408-423 [S. Holland/S. Holland] |