Middleport - Johnson Creek & Rt. 31 bottom: Aeronian, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Stauriida
- Zaphrentidae
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Zaphrentis bilateralis
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| synonym of Zaphrenthis | |||||||
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Stenolaemata
- Cryptostomata
- Rhinoporidae
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Lichenalia concentrica
Hall 1852
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Rhynchonellata
- Athyridida
- Anoplothecidae
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Coelospira plicatula
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Coelospira hemispherica
(de Sowerby and Murchison 1839)
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Rhynchonellata
- Athyridida
- Hyattidinidae
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Hyattidina congesta
(Conrad 1842)
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Rhynchonellata
- Orthida
- Rhipidomellidae
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Rhipidomella circulus
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Rhynchonellata
- Orthida
- Platystrophiidae
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Platystrophia biforata
(Schlotheim 1820)
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| recombined as Platystrophia biforatus | |||||||
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Rhynchotreta robusta
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Strophomenata
- Strophomenida
- Strophodontidae
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Stropheodonta corrugata
(Conrad 1842)
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| recombined as Gunnarella corrugata | |||||||
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Stropheodonta profunda
(Hall 1852)
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| recombined as Brachyprion (Protomegastrophia) profunda | |||||||
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Gastropoda
- Euomphalina
- Holopeidae
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Holopea obsoleta
(Hall 1852)
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Ostracoda
- Zygobolbidae
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Zygobolba curta
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Zygobolba excavata
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unclassified
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Buthotrephis gracilis
Hall 1847
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| see common names | |||||||
Geography
| Country: | United States | State/province: | New York | County: | Niagara |
| Coordinates: | 43.2° North, 78.5° West (view map) | ||||
| Paleocoordinates: | 23.5° South, 48.4° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Silurian | Epoch: | Llandovery |
| Stage: | Aeronian | 10 m.y. bin: | Silurian 1 |
| Key time interval: | Aeronian | ||
| Age range of interval: | 440.80000 - 438.50000 m.y. ago |
Lithology and environment
| Primary lithology: | dolomitic,gray lithified silty,cherty/siliceous "limestone" |
| Secondary lithology: | lithified "shale" |
| Includes fossils? | Y |
| Lithology description: Interstratified, medium-gray and dark-gray, silty, dolomitic limestone. Some slightly cherty. Thin shale layers common. Fossiliferous. | |
| Environment: | offshore indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 81812 | ||
| Authorizer: | L. Ivany | Enterer: | P. Wall | Research group: | marine invertebrate |
| Created: | 2008-07-16 08:33:52 | Last modified: | 2008-07-16 11:33:52 |
| Access level: | the public | Released: | 2008-07-16 08:33:52 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 27610. | T. Gillette. 1947. The Clinton of Western and Central New York. New York State Museum Bulletin (341) [L. Ivany/P. Wall] |