GSC C-184901, Hamley Point, Sidney Island: Early/Lower Turonian, Canada
collected by J.W. Haggart 1990
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Pseudomelaniidae
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Paosia californica
(Gabb 1864)
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Gastropoda
- Aporrhaidae
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Anchura (Helicaulax) condoniana
(Anderson 1902)
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Gastropoda
- Naticidae
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Gyrodes (Gyrodes) dowelli
(White 1889)
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Bivalvia
- Trigoniida
- Megatrigoniidae
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Pterotrigonia klamathonia
(Anderson 1958)
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Bivalvia
- Trigoniida
- Myophorellidae
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? Litschkovitrigonia cf. fitschi
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| spelled with current rank as Steinmanella (Litschkovitrigonia) | |||||||
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Bivalvia
- Myalinida
- Inoceramidae
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Mytiloides cf. duplicostatus
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Mytiloides cf. mytiloides
(Mantell 1822)
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 48.6° North, 123.3° West (view map) | ||
| Paleocoordinates: | 51.6° North, 83.6° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Early/Lower Turonian | ||
| Age range of interval: | 93.90000 - 89.80000 m.y. ago |
Stratigraphy
| Formation: | Sidney Island |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified conglomerate |
| Lithology description: Conglomerate in lenses; framework supported; lenses vary in thickness from 0–1.0 m, extend laterally to 3 m; clasts moderately well sorted, well-rounded to rounded pebbles and cobbles to 20 cm diameter; matrix is medium to coarse grained, poorly sorted, subrounded to angular quartz-lithic grit with associated shell debris | |
| Environment: | shoreface |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | GSC | ||
| Collectors: | J.W. Haggart | Collection dates: | 1990 |
Metadata
| Database number: | 210511 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2020-06-02 21:07:58 | Last modified: | 2020-06-02 21:33:57 |
| Access level: | the public | Released: | 2020-06-02 21:07:58 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 72596. | J. W. Haggart, P. D. Ward, and W. Orr. 2005. Turonian (Upper Cretaceous) lithostratigraphy and biochronology, southern Gulf Islands, British Columbia, and northern San Juan Islands, Washington State. Canadian Journal of Earth Sciences 42:2001-2020 [M. Clapham/M. Clapham] |