MacDonald River Section Unit 06 066-084 ft: Richmondian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Rhynchonellata
- Orthida
- Plaesiomyidae
|
||||||||||
|
Dinorthis carletona
Twenhofel 1928
|
||||||||||
| misspelling Dinorthis (Pionorthis) carletona | ||||||||||
|
Rhynchonellata
- Atrypida
- Anazygidae
|
||||||||||
|
Zygospira recurvirostris
(Hall 1847)
|
||||||||||
| recombined as Anazyga recurvirostra | ||||||||||
| Zygospira recurvirostris aequivalvis | ||||||||||
|
Strophomenata
- Strophomenida
- Furcitellidae
|
||||||||||
|
? Leptaena nitens
(Billings 1860)
|
||||||||||
| recombined as Megamyonia nitens | ||||||||||
|
Strophomenata
- Strophomenida
- Plectambonitidae
|
||||||||||
|
Plectambonites sericeus
Sowerby 1839
|
||||||||||
| Plectambonites sericeus glaber | ||||||||||
|
Stenolaemata
- Cryptostomata
- Arthrostylidae
|
||||||||||
|
Sceptropora facula
Ulrich 1888
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Quebec | County: | Anticosti Island |
| Coordinates: | 49.7° North, 63.0° West (view map) | ||||
| Paleocoordinates: | 23.1° South, 38.1° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| Key time interval: | Richmondian | Other zone: | Hercochitina normalis |
| Age range of interval: | 449.80000 - 446.00000 m.y. ago |
Stratigraphy
| Geological group: | Anticosti | Formation: | Vauréal | Member: | Easton |
| Local section: | MacDonald River Section | Local bed: | 66-84 ft | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Given as English Head Zone 4. | |||||
Lithology and environment
| Primary lithology: | nodular,blue calcareous "shale" |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Calcareous, blue shale with limestone nodules | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | GSC |
Metadata
| Database number: | 174028 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2015-10-23 09:51:24 | Last modified: | 2015-10-23 09:51:24 |
| Access level: | the public | Released: | 2015-10-23 09:51:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11416. | W. H. Twenhofel. 1928. Geology of Anticosti Island. Geological Survey of Canada Memoir 154(2132):1-351 [P. Wagner/P. Wagner/P. Wagner] |