A38. South end of Valcour Island, Valcour Fm.: Chazyan, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Paleocystites tenuiradiatus
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Anthozoa
- Heliolitida
- Coccoserididae
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Stylaraea parva
Lambe 1899
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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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Rhynchonellata
- Orthida
- Orthidiellidae
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Orthidium lamellosum
(Raymond 1905)
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| recombined as Ptychopleurella lamellosa | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Camarotoechia plena
(Hall 1847)
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| recombined as Rostricellula plena | ||||||||||
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Strophomenata
- Strophomenida
- Furcitellidae
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Rafinesquina incrassata
(Hall 1847)
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| recombined as Dactylogonia incrassata | ||||||||||
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Modiolopsis fabaformis
Raymond 1905
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Gastropoda
- Bellerophontida
- Bucaniidae
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Bucania sulcatina
(Emmons 1842)
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| original and current combination Bellerophon sulcatinus | ||||||||||
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Gastropoda
- Euomphalina
- Macluritidae
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Maclurites magnus
(Le Sueur 1818)
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Gastropoda
- Euomphalina
- Raphistomatidae
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Raphistoma stamineum
Hall 1847
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Ostracoda
- Hollinocopida
- Eurychilinidae
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Eurychilina latimarginata
(Raymond 1905)
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Ostracoda
- Leperditicopida
- Leperditiidae
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Leperditia limatula
Raymond 1905
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Leperditia canadensis
Jones 1858
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Trilobita
- Trinucleida
- Raphiophoridae
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Lonchodomas chaziensis
Shaw 1968
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Shaw 1968 | |||||||||
| see Shaw (1968, p. 34) | ||||||||||
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Trilobita
- Asaphida
- Asaphidae
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Asaphus alpha
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Isotelus harrisi
Raymond 1905
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Trilobita
- Lichida
- Lichidae
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Amphilichas minganensis
(Billings 1865)
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Trilobita
- Corynexochida
- Illaenidae
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Illaenus globosus
Billings 1859
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| recombined as Stenopareia globosus | ||||||||||
| 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 |
Lithology and environment
| Primary lithology: | blue "limestone" |
| Lithology description: Coarse-grained, dark-blue limestone. | |
| 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: | 172239 | ||
| Authorizer: | B. Kröger | Enterer: | B. Kröger |
| Modifier: | B. Kröger | Research group: | marine invertebrate |
| Created: | 2015-07-31 04:10:18 | Last modified: | 2024-03-31 19:20:59 |
| Access level: | the public | Released: | 2015-07-31 04:10:18 |
| 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] |
Secondary references:
| 23704 | F.C. Shaw. 1968. Early Middle Ordovician (Chazy) trilobites of New York. New York State Museum and Science Service Memoir 17:1-163 [P. Wagner/P. Wagner] |