A26. South end of Valcour Island, Crown Point Fm.: Chazyan, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ostracoda
- Leperditicopida
- Leperditiidae
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Leperditia canadensis
Jones 1858
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Ostracoda
- Hollinocopida
- Eurychilinidae
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Eurychilina latimarginata
(Raymond 1905)
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Trilobita
- Corynexochida
- Illaenidae
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Illaenus erastusi
Raymond 1905
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| recombined as Platillaenus erastusi | |||||||
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Gastropoda
- Euomphalina
- Macluritidae
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Maclurites magnus
(Le Sueur 1818)
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Gastropoda
- Murchisoniina
- Lophospiridae
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Lophospira perangulata
(Hall 1847)
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Bivalvia
- Myalinida
- Ambonychiidae
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Ambonychia curvata
Raymond 1905
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| recombined as Ambonychiopsis curvata | |||||||
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Rhynchonellata
- Orthida
- Plectorthidae
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Hebertella vulgaris
Raymond 1911
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| recombined as Mimella vulgaris | |||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina champlainensis
Raymond 1902
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| recombined as Macrocoelia champlainensis | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | New York | County: | Clinton |
| Coordinates: | 44.6° North, 73.4° West (view map) | ||||
| Paleocoordinates: | 28.1° South, 54.8° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician |
| 10 m.y. bin: | Ordovician 2-4 |
| Key time interval: | Chazyan |
| Age range of interval: | 470.00000 - 457.00000 m.y. ago |
Stratigraphy
| Geological group: | Chazy | Formation: | Crown Point |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | gray,blue "limestone" |
| Lithology description: Blue-gray, heavy-bedded,impure limestone, containing large black silicified fossils. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 172229 | ||
| Authorizer: | B. Kröger | Enterer: | B. Kröger |
| Modifier: | B. Kröger | Research group: | marine invertebrate |
| Created: | 2015-07-31 03:18:23 | Last modified: | 2024-03-31 19:20:59 |
| Access level: | the public | Released: | 2015-07-31 03:18:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 15149. | P. E. Raymond. 1906. The Chazy Formation and its fauna. Annals of the Carnegie Museum 3(4):498-596 [P. Wagner/P. Wagner] |