GSC loc. C-86682 - Tulsequah: Late Pliensbachian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Nuculanida
- Malletiidae
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| 4 individuals | ||||||||||
| sp. A | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Radulonectites sosneadoensis
(Weaver 1931)
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2 individuals | |||||||||
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Bivalvia
- Pectinida
- Oxytomidae
|
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Oxytoma (Oxytoma) cf. inequivalvis
(Sowerby 1819)
|
Aberhan 1995 | |||||||||
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Bivalvia
- Pectinida
- Limidae
|
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Ctenostreon cf. rugosum
(Smith 1817)
|
1 individual | |||||||||
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Limea (Pseudolimea) sp.
(Douglas and Arkell 1932)
|
Aberhan 1995 | |||||||||
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Bivalvia
- Ostreida
|
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Ostreoida indet.
Fërussac 1822
|
Aberhan 1993 | |||||||||
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Bivalvia
- Arcida
- Parallelodontidae
|
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Grammatodon (Grammatodon) sp.
Meek and Hayden 1860
|
1 individual | |||||||||
| sp. A | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
|
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Protocardia sp.
(Beyrich 1845)
|
Aberhan 1993 | |||||||||
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Bivalvia
- Carditida
- Astartidae
|
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Astartidae indet.
d'Orbigny 1844
|
Aberhan 1993 | |||||||||
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Bivalvia
|
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Heterodonta indet.
Neumayr 1884
|
Aberhan 1993 | |||||||||
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Bivalvia
- Trigoniida
- Myophorellidae
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Vaugonia sp.
Crickmay 1930
|
Aberhan 1993 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 58.7° North, 132.9° West (view map) | ||
| Paleocoordinates: | 32.3° North, 63.9° West (Wright 2013) | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early Jurassic |
| Stage: | Pliensbachian | 10 m.y. bin: | Jurassic 2 |
| Key time interval: | Late Pliensbachian | ||
| Age range of interval: | 192.9 - 184.2 m.y. ago |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" | ||
| Lithology description: The Takwahoni Fm is a thick (3350 m) assemblage of interbedded conglomerate, greywacke, silstone, and shale. | |||
| Environment: | open shallow subtidal | Tectonic setting: | back-arc basin |
| Geology comments: Coarse grained, near-shore Takwahoni Fm. | |||
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | mechanical,survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
| Collection method comments: H. W. Tipper, 1979. | |
Metadata
| Database number: | 53108 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2005-09-06 04:26:30 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2005-09-06 04:26:30 |
| Creative Commons license: | CC0 |
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:
| 14836 | M. Aberhan. 1993. [M. Aberhan/S. Nurnberg] | |
| 14835 | M. Aberhan. 1995. [M. Aberhan/S. Nurnberg] |