GSC loc. C-157750 - Graham Island: Late Toarcian - Early Aalenian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Pectinida
- Propeamussiidae
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Propeamussium (Striatoamussium) patriciae
(Poulton 1991)
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1 individual | ||||||
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Cephalopoda
- Ammonitida
- Hammatoceratidae
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Hammatoceratinae indet.
Buckman 1887
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Jakobs 1997 | ||||||
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Cephalopoda
- Belemnitida
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Belemnitida indet.
Zittel 1895
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Jakobs 1997 | ||||||
| see common names | |||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 53.4° North, 132.3° West (view map) | ||
| Paleocoordinates: | 4.9° North, 126.3° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early Jurassic - Middle Jurassic |
| Stage: | Toarcian - Aalenian | 10 m.y. bin: | Jurassic 3 |
| Key time interval: | Late Toarcian - Early Aalenian | ||
| Age range of interval: | 180.4 - 170.9 m.y. ago |
Stratigraphy
| Formation: | Phantom Creek | ||||
| Local section: | Section 7 - Graham Island | Local bed: | 76.20-77.30 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Meters indicate distance from base of section | |||||
Lithology and environment
| Primary lithology: | lithified sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
| Collection method comments: G. Jakobs, 1987. | |
Metadata
| Database number: | 53437 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2005-09-09 07:28:36 | Last modified: | 2006-04-04 09:21:57 |
| Access level: | the public | Released: | 2005-09-09 07:28:36 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 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] |
Secondary references:
| 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] |