Apopentamerus community, Racine Fm, 34643 - Patzkowsky: Wenlock, Wisconsin
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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informal Favositid indet.
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14 individuals | ||||||
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informal Pachyporid indet.
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57 individuals | ||||||
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informal Syringoporid indet.
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1 individual | ||||||
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Coolina subplana
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1 individual | ||||||
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Actinopteri
- Howellidae
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Howella sp.
Ogilby 1899
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1 individual | ||||||
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Rhynchonellata
- Pentamerida
- Parastrophinidae
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Anastrophia internascens
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4 individuals | ||||||
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Rhynchonellata
- Pentamerida
- Pentameridae
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Apopentamerus racinensis
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49 individuals | ||||||
| synonym of Harpidium (Isovella) | |||||||
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Rhynchonellata
- Atrypida
- Atrypidae
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Atrypa sp.
Dalman 1828
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4 individuals | ||||||
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Rhynchonellata
- Orthida
- Rhipidomellidae
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Dalejina sp.
Havlicek 1953
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1 individual | ||||||
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Gastropoda
- Murchisoniina
- Loxonematidae
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Loxonema leda
Hall 1868
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2 individuals | ||||||
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Gastropoda
- Euomphalina
- Oriostomatidae
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Cyclonema pauper
(Hall 1867)
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2 individuals | ||||||
| recombined as Oriostoma pauper | |||||||
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Bivalvia
- Myalinida
- Ambonychiidae
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Amphicoelia leidyi
Hall 1865
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1 individual | ||||||
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Bivalvia
- Ostreida
- Pterineidae
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Actinopteria brisa
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1 individual | ||||||
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Anthozoa
- Stauriida
- Cyathaxoniidae
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Cyathaxonia wisconsinensis
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1 individual | ||||||
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Anthozoa
- Heliolitida
- Halysitidae
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Halysites sp.
von Waldheim 1813
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2 individuals | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Wisconsin | County: | Milwaukee |
| Coordinates: | 43.0° North, 87.9° West (view map) | ||||
| Paleocoordinates: | 23.6° South, 50.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Silurian | Epoch: | Wenlock |
| 10 m.y. bin: | Silurian 2 | ||
| *Period: | Early/Lower Silurian | *Epoch: | Late/Upper Wenlock |
| Key time interval: | Wenlock | ||
| Age range of interval: | 433.40000 - 427.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Racine |
Lithology and environment
| Primary lithology: | lithified packstone |
| Lithology description: 25 cm thick bed of packstone. | |
| Environment: | reef, buildup or bioherm |
| Geology comments: "Bank deposits formed in proximity to reefs." | |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 13002 | ||
| Authorizer: | M. Patzkowsky | Enterer: | A. Krug |
| Modifier: | C. Visaggi | Research group: | marine invertebrate |
| Created: | 2002-01-15 12:48:09 | Last modified: | 2004-07-07 20:29:21 |
| Access level: | the public | Released: | 2002-01-15 12:48:09 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 4161. | R. Watkins. 1994. Evolution of Silurian Pentamerid Communities in Wisconsin. Palaios 9:488-499 [M. Patzkowsky/A. Krug] |