Locality 40, unit 53, 8.2 feet below top: Wenlock, Canada
collected by R. Thorsteinsson 1950-
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
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Cephalopoda indet.
Cuvier 1797
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Strophomenata
- Strophomenida
- Strophonellidae
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Strophonella informal sp. A
Hall 1879
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Strophonella informal sp. B
Hall 1879
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Rhynchonellata
- Athyridida
- Meristellidae
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Meristina informal sp. A
Hall 1867
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Rhynchonellata
- Athyridida
- Nucleospiridae
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Nucleospira sp.
Hall 1859
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Rhynchonellata
- Spiriferida
- Delthyrididae
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Howellella informal sp. A
Kozlowski 1946
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Rhynchonellata
- Rhynchonellida
- Camarotoechiidae
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Camarotoechia informal sp. C
Hall and Clarke 1893
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Stenolaemata
- Trepostomida
- Monticuliporidae
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Mesotrypa cf. suprasilurica
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Trilobita
- Proetida
- Proetidae
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Proetus cf. regalus
Poulsen 1943
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Trilobita
- Phacopida
- Encrinuridae
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Encrinurus cf. moderatus
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Trilobita
- Phacopida
- Calymenidae
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Calymene informal sp. A
Brongniart 1822
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Geography
| Country: | Canada | State/province: | Northwest Territories | County: | Cornwallis Island |
| Coordinates: | 74.8° North, 93.5° West (view map) | ||||
| Paleocoordinates: | 3.7° North, 34.0° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Silurian | Epoch: | Wenlock |
| 10 m.y. bin: | Silurian 2 | ||
| Key time interval: | Wenlock | ||
| Age range of interval: | 433.40000 - 427.40000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | gray lithified argillaceous lime mudstone |
| Secondary lithology: | poorly lithified "shale" |
| Includes fossils? | Y |
| Lithology description: Argillaceous limestone; light grey to medium dark-grey, weathering yellowish grey, very thin-bedded, flaggy, hard, dense, sublithographic to finely crystalline; a few beds medium to coarsely crystalline; irregularly bedded; light to medium grey shale partings constitute significant elements | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | GSC | ||
| Collectors: | R. Thorsteinsson | Collection dates: | 1950-53 |
Metadata
| Database number: | 188790 | ||
| Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
| Modifier: | M. Hopkins | Research group: | marine invertebrate |
| Created: | 2017-09-18 17:29:48 | Last modified: | 2017-09-18 17:34:42 |
| Access level: | the public | Released: | 2017-09-18 17:29:48 |
| 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] |