Second Creek at Alsa Farms - bottom Irondequoit: Sheinwoodian, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Strophomenida
- Chonetidae
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Chonetes cornutus
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella transversalis
(Wahlenberg 1818)
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| recombined as Eoplectodonta (Eoplectodonta) transversalis | ||||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Leptaena rhomboidalis
(Wahlenberg 1818)
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| recombined as Leptaena (Leptaena) rhomboidalis | ||||||||||
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Rhynchonellata
- Pentamerida
- Clorindidae
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Clorinda fornicata
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Rhynchonellata
- Spiriferida
- Cyrtiidae
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Cyrtia meta
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Cyrtia exporrecta
(Wahlenberg 1818)
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| recombined as Cyrtia exporrectus | ||||||||||
| myrtia | ||||||||||
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Rhynchonellata
- Atrypida
- Atrypidae
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Atrypa rugosa
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Atrypa reticularis
(Linnaeus 1758)
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| original and current combination Anomia reticularis | ||||||||||
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Rhynchonellata
- Protorthida
- Skenidiidae
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Scenidium pyramidalis
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| original and current combination Skenidium | ||||||||||
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Rhynchonellata
- Orthida
- Dicoelosiidae
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Bilobites biloba
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| synonym of Dicoelosia | ||||||||||
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Rhynchonellata
- Orthida
- Orthidae
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Orthis tenuidens
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Stenolaemata
- Cryptostomata
- Semicosciniidae
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Semicoscinium tenuiceps
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Orthoceras abruptum
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Ostracoda
- Zygobolbidae
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Mastigobolbina punctata
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Mastigobolbina trilobata
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Mastigobolbina typus
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Plethobolbina typicalis
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Ostracoda
- Palaeocopida
- Beyrichiidae
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Beyrichia aff. lakemontensis
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Dibolbina sp.
Ulrich and Bassler 1923
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Trilobita
- Phacopida
- Calymenidae
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Calymene clintoni
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Trilobita
- Phacopida
- Phacopidae
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Phacops trisulcatus
(Hall 1852)
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| recombined as Phacopidella trisulcata | ||||||||||
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Trilobita
- Phacopida
- Dalmanitidae
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Dalmanites limulurus
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Trilobita
- Phacopida
- Encrinuridae
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Encrinurus ornatus
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New York | County: | Wayne |
| Coordinates: | 43.2° North, 77.0° West (view map) | ||||
| Paleocoordinates: | 26.9° South, 44.1° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Silurian | Epoch: | Wenlock |
| Stage: | Sheinwoodian | 10 m.y. bin: | Silurian 2 |
| Key time interval: | Sheinwoodian | ||
| Age range of interval: | 433.40000 - 430.50000 m.y. ago |
Stratigraphy
| Geological group: | Clinton | Formation: | Irondequoit |
Lithology and environment
| Primary lithology: | pyritic,gray lithified "shale" |
| Secondary lithology: | lithified argillaceous "limestone" |
| Includes fossils? | Y |
| Lithology description: Dark gray, crumbly, pyritic, calcareous shale. Argillaceous limestone layers in upper part. When weathered yellowish in color due to pyrite. | |
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 81908 | ||
| Authorizer: | L. Ivany | Enterer: | P. Wall | Research group: | marine invertebrate |
| Created: | 2008-07-18 08:23:31 | Last modified: | 2008-07-18 11:23:31 |
| Access level: | the public | Released: | 2008-07-18 08:23:31 |
| 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] |