Kennecott Point, Graham Island, Queen Charlotte Islands, Section A 09: Liasicus, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Psiloceratidae
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Discamphiceras aff. antiquum
Guex 1980
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| (3 measurements) | ||||||||||
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Cephalopoda
- Phylloceratida
- Juraphyllitidae
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Togaticeras togatum
(Neumayr 1879)
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| (11 measurements) | ||||||||||
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Nevadaphyllites sp.
Guex 1980
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| (1 measurement) | ||||||||||
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Nevadaphyllites psilomorphus
(Neumayr 1879)
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| original and current combination Phylloceras psilomorphum | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 53.9° North, 133.2° West (view map) | ||
| Paleocoordinates: | 0.8° South, 128.3° West | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Hettangian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Liasicus | ||
| Age range of interval: | 201.40000 - 199.50000 m.y. ago |
Stratigraphy
| Formation: | Sandilands | ||||
| Stratigraphy comments: Mulleri and Occidentalis zones |
Lithology and environment
| Primary lithology: | fine,black,gray,blue lithified siltstone | ||
| Secondary lithology: | lenticular,fine,medium,tuffaceous lithified sandstone | ||
| Lithology description: It is typically composed of thinly bedded dark shale and dark grey or blue siltstone. Fine to medium grained sandstone, tuffaceous beds and limestone beds, lenses and concretions are common. | |||
| Environment: | basinal (siliciclastic) | Tectonic setting: | back-arc basin |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 84929 | ||
| Authorizer: | J. Pálfy | Enterer: | M. Bosnakoff |
| Modifier: | A. Nigam | Research group: | marine invertebrate |
| Created: | 2008-11-18 05:15:22 | Last modified: | 2013-07-16 15:34:47 |
| Access level: | the public | Released: | 2008-11-18 05:15:22 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 28435. | fossil record | L. M. Longridge, J. Pálfy, P. L. Smith and H. W. Tipper. 2008. Middle and late Hettangian (Early Jurassic) ammonites from the Queen Charlotte Islands, British Columbia, Canada. Revue de Paleobiologie, Geneve 27(1):191-248 [J. Pálfy/M. Bosnakoff] |