GSC loc. C-158036 - Graham Island: Early/Lower Toarcian - Middle Toarcian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Hildoceratidae
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Harpoceras cf. subplanatum
(Oppel 1856)
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Cephalopoda
- Nautilida
- Cenoceratidae
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Cenoceras cf. intermedius
(Sowerby 1816)
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| recombined as Cenoceras intermedium | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Palaeonucula sp.
Quenstedt 1930
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Aberhan 1998 | 1 individual | ||||||||
| sp. B | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 53.4° North, 132.3° West (view map) | ||
| Paleocoordinates: | 4.2° North, 126.4° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Toarcian | 10 m.y. bin: | Jurassic 3 |
| Key time interval: | Early/Lower Toarcian - Middle Toarcian | ||
| Age range of interval: | 184.20000 - 180.40000 m.y. ago |
Stratigraphy
| Geological group: | Maude | Formation: | Whiteaves | ||
| Local section: | Section 6 - Graham Island | Local bed: | 108.00 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Meters indicate distance from base of section | |||||
Lithology and environment
| Primary lithology: | lithified siltstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
Metadata
| Database number: | 53095 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2005-09-06 03:26:09 | Last modified: | 2006-03-31 06:25:30 |
| Access level: | the public | Released: | 2005-09-06 03:26:09 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 15025. | G. K. Jakobs. 1997. Toarcian (Early Jurassic) ammonoids from western North America. Geological Survey of Canada, Bulletin 428:137pp. [M. Aberhan/S. Nurnberg/S. Nurnberg] |
Secondary references:
| 14361 | M. Aberhan. 1998. Early Jurassic Bivalvia of western Canada. Part I. Subclasses Palaeotaxodonta, Pteriomorpha, and Isofilibranchia. Beringeria 21:57-150 [M. Aberhan/S. Nurnberg/M. Uhen] |