A27. South end of Valcour Island, Crown Point Fm.: Chazyan, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Euomphalina
- Macluritidae
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Maclurites magnus
(Le Sueur 1818)
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Rhynchonellata
- Pentamerida
- Camerellidae
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Camerella varians
Billings 1859
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= Camerella ventricosa
Cooper 1956
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Cooper 1956 | ||||||
Rhynchonellata
- Orthida
- Plaesiomyidae
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Plaesiomys platys
(Billings 1859)
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recombined as Multicostella platys | |||||||
Rhynchonellata
- Orthida
- Plectorthidae
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Hebertella vulgaris
Raymond 1911
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recombined as Mimella vulgaris | |||||||
Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina champlainensis
Raymond 1902
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recombined as Macrocoelia champlainensis | |||||||
Stenolaemata
- Cryptostomata
- Rhinidictyidae
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Rhinidictya fenestrata
(Hall 1847)
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original and current combination Stictopora fenestrata | |||||||
Trilobita
- Corynexochida
- Illaenidae
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Thaleops ovata
Conrad 1843
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Illaenus globosus
Billings 1859
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recombined as Stenopareia globosus | |||||||
Trilobita
- Asaphida
- Asaphidae
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Isotelus harrisi
Raymond 1905
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Trilobita
- Phacopida
- Pterygometopidae
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Pterygometopus annulatus
Raymond 1905
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recombined as Calyptaulax annulata | |||||||
Ostracoda
- Leperditicopida
- Leperditiidae
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Leperditia canadensis
Jones 1858
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Leperditia limatula
Raymond 1905
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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: | black "limestone" |
Lithology description: Black, impure, heavy-bedded limestone, containing Maclurites magnus. | |
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: | 172230 | ||
Authorizer: | B. Kröger, P. Wagner | Enterer: | B. Kröger, P. Wagner |
Modifier: | B. Kröger | Research group: | marine invertebrate |
Created: | 2015-07-31 03:23:53 | Last modified: | 2024-03-31 19:20:59 |
Access level: | the public | Released: | 2015-07-31 03:23:53 |
Creative Commons license: | CC BY |
Reference information