Southeastern hillslope, 1.5 miles S of Isle La Motte village ,Valcour Fm.: Chazyan, Vermont
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Stenolaemata
- Phylloporinidae
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Phylloporina sp.
Foerste 1887
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Ross 1963 | ||||||
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Stenolaemata
- Cryptostomata
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Chazydictya chazyensis
Ross 1963
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Ross 1963 | ||||||
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Stenolaemata
- Cryptostomata
- Rhinidictyidae
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Pachydictya sheldonensis
Ross 1963
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Ross 1963 | ||||||
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Eopachydictya gregaria
Ross 1963
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Ross 1963 | ||||||
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Stenolaemata
- Trepostomida
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Jordanopora heroensis
Ross 1962
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Ross 1962 | ||||||
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Nicholsonella sp.
Ulrich 1890
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Ross 1963 | ||||||
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Stenolaemata
- Trepostomata
- Trematoporidae
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Batostoma lanensis
Ross 1963
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Stenolaemata
- Trepostomata
- Aisenvergiidae
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Lamottopora duncanae
Ross 1963
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Ross 1963 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Vermont |
| Coordinates: | 44.9° North, 73.3° West (view map) | ||
| Paleocoordinates: | 28.0° South, 54.6° West | ||
| Basis of coordinate: | estimated from map |
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
| Formation: | Valcour |
Lithology and environment
| Primary lithology: | calcareous grainstone |
| Secondary lithology: | "limestone" |
| Lithology description: Dolomitic biomicrite-dolomitic intrasparrudite | |
| Environment: | reef, buildup or bioherm |
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
| Also known as: | 8-20-G. of Ross (1963) & Loc. 2 of Ross (1963, Treptostome paper)& Loc.19 of Ross (1962) | ||
| Database number: | 172638 | ||
| Authorizer: | B. Kröger | Enterer: | B. Kröger |
| Modifier: | B. Kröger | Research group: | marine invertebrate |
| Created: | 2015-08-14 01:55:48 | Last modified: | 2024-03-31 19:20:59 |
| Access level: | the public | Released: | 2015-08-14 01:55:48 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 56059. | J. P. Ross. 1963. The Bryozoan Trepostome Batostoma in Chazyan (Ordovician) Strata. Journal of Paleontology 37(4):857-866 [B. Kröger/B. Kröger] |
Secondary references:
| 56089 | J. R. P. Ross. 1962. Chazyan (Ordovician) leptotrypellid and atactotoechid Bryozoa. Palaeontology 5(4):727-739 [B. Kröger/B. Kröger/P. Wagner] | |
| 56088 | J. R. P. Ross. 1963. New Ordovician species of Chazyan Trepostome and Cryptostome Bryozoa. Journal of Paleontology 37(1):57-63 [B. Kröger/B. Kröger] | |
| 56097 | J. R. P. Ross. 1963. Ordovician Cryptostome Bryozoa, Standard Chazyan Series, New York and Vermont. Geological Society America Bulletin 74:577-608 [B. Kröger/B. Kröger] |