Locality 34, unit 1: Caradoc, Canada
collected by R. Thorsteinsson 1950-
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Endocerida
- Endoceratidae
|
||||||||||
|
Endoceras cf. magniventrum
|
||||||||||
| Endoceras |
||||||||||
|
Strophomenata
- Strophomenida
- Rafinesquinidae
|
||||||||||
|
Leptaena sp.
Dalman 1828
|
||||||||||
|
Stenolaemata
- Trepostomata
- Batostomellidae
|
||||||||||
|
Batostomella sp.
Bassler 1911
|
||||||||||
|
Anthozoa
- Sarcinulida
- Syringophyllidae
|
||||||||||
|
Calapoecia canadensis
Cox 1936
|
||||||||||
| subspecies ungava | ||||||||||
|
= Calapoecia ungava
|
Wagner 2020 | |||||||||
|
Calapoecia anticostiensis
Billings 1865
|
||||||||||
| subspecies arcticus | ||||||||||
|
= Calapoecia arcticus
|
Wagner 2020 | |||||||||
|
Anthozoa
- Stauriida
- Streptelasmatidae
|
||||||||||
|
Streptelasma informal sp. A
Hall 1847
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Northwest Territories | County: | Cornwallis Island |
| Coordinates: | 75.0° North, 95.9° West (view map) | ||||
| Paleocoordinates: | 3.5° North, 41.4° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| Key time interval: | Caradoc | ||
| Age range of interval: | 458.40000 - 449.60000 m.y. ago |
Stratigraphy
| Geological group: | Cornwallis | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: 20 feet thick. Was just Cornwallis. | |||||
Lithology and environment
| Primary lithology: | gray,green lithified lime mudstone |
| Secondary lithology: | poorly lithified "shale" |
| Includes fossils? | Y |
| Lithology description: light grey to olive-gray, weathering similar, thin-bedded, flaggy, hard, dense, sublithographic limestone; bedding planes irregular, with shale partings | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),mechanical,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | GSC | ||
| Collectors: | R. Thorsteinsson | Collection dates: | 1950-53 |
| Taxonomic list comments:Cephalopods identified by Walter C. Sweet and A. K. Miller, bryozoans by T. E. Bolton, corals, brachiopods, and arthropods by A. E. Wilson, graptolites and chordates by R. Thorsteinsson | |||
Metadata
| Database number: | 188771 | ||
| Authorizer: | M. Hopkins, P. Wagner | Enterer: | M. Hopkins, P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2017-09-18 13:31:53 | Last modified: | 2024-03-31 19:20:47 |
| Access level: | the public | Released: | 2017-09-18 13:31:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 63386. | R. Thorsteinsson. 1958. Cornwallis and Little Cornwallis Islands, District of Franklin, Northwest Territories. Geological Survey of Canada Memoirs 294:1-134 [M. Hopkins/M. Hopkins/M. Hopkins] |
Secondary references:
| 65064 | P. Wagner. 2020. Subspecies kluges: a pointless taxonomic database to create species opinions for subspecies that then will be over-ruled and allow subspecies occurrences to be recognized as the subspecies rather than the parent species. [P. Wagner/P. Wagner/P. Wagner] |