Valcour Island, Lake Champlain, Valcour Formation: Chazyan, New York
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Phacopida
- Pliomeridae
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Pliomerops canadensis
(Billings 1859)
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Raymond 1906 | ||||||
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Cephalopoda
- Endocerida
- Endoceratidae
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Vaginoceras oppletum
Ruedemann 1906
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Ruedemann 1906 | ||||||
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Endoceras hudsoni
Ruedemann 1906
|
Ruedemann 1906 | ||||||
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Cephalopoda
- Oncocerida
- Valcouroceratidae
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Cameroceras tenuiseptum
(Ruedemann 1906)
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Ruedemann 1906 | ||||||
| recombined as Valcouroceras tenuiseptum | |||||||
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Cephalopoda
- Actinocerida
- Gonioceratidae
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Gonioceras chaziense
Ruedemann 1906
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Flower 1957 | ||||||
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Orthoceras lativentrum
|
Ruedemann 1906 | ||||||
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Rostroconchia
- Conocardiida
- Bransoniidae
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Conocardium beecheri
Raymond 1905
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| recombined as Pojetaconcha beecheri | |||||||
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Bivalvia
- Solemyida
- Ctenodontidae
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Ctenodonta peracuta
Raymond 1905
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Bivalvia
- Myalinida
- Ambonychiidae
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Clionychia montrealensis
(Billings 1859)
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| recombined as Cleionychia montrealensis | |||||||
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Ambonychia curvata
Raymond 1905
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| recombined as Ambonychiopsis curvata | |||||||
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Modiolopsis exanimis
Raymond 1916
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Modiolopsis fabaformis
Raymond 1905
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Rhynchonellata
- Orthida
- Glyptorthidae
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Hebertella bellarugosa
(Conrad 1843)
|
Raymond 1911 | ||||||
| recombined as Glyptorthis bellarugosa | |||||||
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Camarotoechia plena
(Hall 1847)
|
Raymond 1911 | ||||||
| recombined as Rostricellula plena | |||||||
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Strophomenata
- Orthotetida
- Triplesiidae
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Camerella longirostris
(Billings 1859)
|
Raymond 1911 | ||||||
| corrected as Camarella longirostris | |||||||
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Strophomenata
- Strophomenida
- Glyptomenidae
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Rafinesquina distans
Raymond 1906
|
Raymond 1911 | ||||||
| recombined as Glyptomena distans | |||||||
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Lingulata
- Lingulida
- Obolidae
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Lingula columba
Raymond 1905
|
Raymond 1911 | ||||||
| recombined as Lingulella columba | |||||||
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Glossina belli
(Billings 1859)
|
Raymond 1911 | ||||||
| recombined as Palaeoglossa belli | |||||||
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Rhodophyceae
- Solenoporaceae
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Solenopora compacta
|
Raymond 1906 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | New York |
| Coordinates: | 44.6° North, 73.4° West (view map) | ||
| Paleocoordinates: | 28.1° South, 54.8° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| 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
Lithology and environment
| Primary lithology: | lithified lime mudstone |
| Secondary lithology: | "limestone" |
| Environment: | reef, buildup or bioherm |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: The mounds contain stromatoporoids, bryozoans, corals and sponges. | |
Metadata
| Database number: | 171705 | ||
| Authorizer: | B. Kröger | Enterer: | B. Kröger |
| Modifier: | B. Kröger | Research group: | marine invertebrate |
| Created: | 2015-07-17 02:07:38 | Last modified: | 2024-03-31 19:20:59 |
| Access level: | the public | Released: | 2015-07-17 02:07:38 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 55816. | P. E. Raymond. 1916. The Pelecypoda of the Chazy Formation. Annals of the Carnegie Museum 328:325-343 [B. Kröger/B. Kröger] |
Secondary references:
| 56037 | R. H. Flower. 1957. The Ordovician Development of the Actinoceratida, with notes on Actinoceroid Morphology and Ordovician Stratigraphy. State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir 2:1-59 [B. Kröger/B. Kröger/P. Wagner] | |
| 15149 | P. E. Raymond. 1906. The Chazy Formation and its fauna. Annals of the Carnegie Museum 3(4):498-596 [P. Wagner/P. Wagner] | |
| 53676 | P. E. Raymond. 1911. The Brachiopoda and Ostracoda of the Chazyan. Annals of the Carnegie Museum 7:215-259 [P. Wagner/P. Wagner] | |
| 11371 | 1% | R. Ruedemann. 1906. Cephalopoda of the Beekmantown and Chazy formations of the Champlain Basin. Bulletin of the New York State Museum, Paleontology 14:389-611 [P. Wagner/K. Koverman/M. Uhen] |