Phoenix Lock Excavation - Williamson: Telychian, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Stauriida
- Streptelasmatidae
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Enterolasma caliculum
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Pterobranchia
- Dendroidea
- Acanthograptidae
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Dictyonema gracilis
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Dictyonema retiforme
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Pterobranchia
- Graptoloidea
- Monograptidae
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Monograptus clintonensis
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Pterobranchia
- Graptoloidea
- Retiolitidae
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Retiolites geinitzianus
Barrande 1850
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| venosus | ||||||||||
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Ostracoda
- Palaeocopida
- Beyrichiidae
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Beyrichia aff. lakemontensis
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Ostracoda
- Palaeocopida
- Zygobolbidae
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Mastigobolbina punctata
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Mastigobolbina trilobata
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Mastigobolbina typus
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Trilobita
- Phacopida
- Dalmanitidae
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Dalmanites limulurus
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Trilobita
- Phacopida
- Calymenidae
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Calymene clintoni
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Gastropoda
- Murchisoniina
- Murchisoniidae
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Hormotoma subulata
(Conrad 1842)
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| original and current combination Murchisonia subulata | ||||||||||
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Bivalvia
- Solemyida
- Ctenodontidae
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Ctenodonta mactriformis
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Orthoceras bassleri
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Craniata
- Craniopsida
- Craniopsidae
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Pholidops squamiformis
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| synonym of Craniops | ||||||||||
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Rhynchonellata
- Orthida
- Orthidae
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Orthis tenuidens
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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
- Dalmanellidae
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Dalmanella elegantula
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Rhynchonellata
- Rhynchonellida
- Rhynchonellidae
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Rhynchonella bidens
(Hall 1852)
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= "Rhynchonella" bidens
Hall 1852
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Ager 1957 | |||||||||
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Rhynchonellata
- Rhynchonellida
- Leptocoeliidae
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Coelospira sulcata
Prouty 1923
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| recombined as Eocoelia sulcata | ||||||||||
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Rhynchonellata
- Protorthida
- Skenidiidae
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Scenidium pyramidale
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| original and current combination Skenidium | ||||||||||
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Rhynchonellata
- Spiriferida
- Cyrtiidae
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Spirifer radiatus
Sowerby 1834
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| recombined as Eospirifer radiatus | ||||||||||
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Cyrtia meta
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Rhynchonellata
- Atrypida
- Atrypidae
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Atrypa nodostriata
Hall 1852
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| recombined as Eospinatrypa nodostriata | ||||||||||
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Atrypa reticularis
(Linnaeus 1758)
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| original and current combination Anomia reticularis | ||||||||||
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Rhynchonellata
- Atrypida
- Atrypinidae
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Atrypina disparilis
(Hall 1852)
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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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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
- Strophodontidae
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Stropheodonta corrugata
(Conrad 1842)
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| recombined as Gunnarella corrugata | ||||||||||
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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: | Oswego |
| Coordinates: | 43.2° North, 76.3° West (view map) | ||||
| Paleocoordinates: | 25.7° South, 45.3° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Silurian | Epoch: | Llandovery |
| Stage: | Telychian | 10 m.y. bin: | Silurian 1 |
| Key time interval: | Telychian | ||
| Age range of interval: | 438.50000 - 433.40000 m.y. ago |
Stratigraphy
| Geological group: | Clinton | Formation: | Williamson | ||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Based on comparison with nearby drill core. | |||||
Lithology and environment
| Primary lithology: | green,blue lithified "shale" |
| Secondary lithology: | shelly/skeletal lithified grainstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Green fissile shale interbedded with dark bluish gray crumbly shale. Limestone layers are common. Some are compsed entirely of sowerbyella, some largely of Atrypa, others contain a variety of fossils. | |
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 82554 | ||
| Authorizer: | L. Ivany, P. Wagner | Enterer: | P. Wall, P. Wagner | Research group: | marine invertebrate |
| Created: | 2008-07-28 15:31:02 | Last modified: | 2008-07-28 18:31:02 |
| Access level: | the public | Released: | 2008-07-28 15:31:02 |
| Creative Commons license: | CC BY |