GSC Loc. 40602 - Banks Island: Middle Albian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Beudanticeras (Grantziceras) cf. affine
(Whiteaves 1892)
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| recombined as Grantziceras affine | |||||||
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Cephalopoda
- Ammonitida
- Hoplitidae
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Pseudopulchellia imlayi
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Pseudogastroplites arcticus
Jeletzky 1980
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Cephalopoda
- Ammonitida
- Cleoniceratidae
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? Arcthoplites sp.
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Cleoniceras (Grycia) whittingtoni
Imlay 1961
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| recombined as Grycia whittingtoni | |||||||
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus cf. cadottensis
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Northwest Territories |
| Coordinates: | 72.8° North, 121.5° West (view map) | ||
| Paleocoordinates: | 71.8° North, 47.3° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Middle Albian | Ammonoid zone: | Beudanticeras affine |
| Age range of interval: | 109.90000 - 106.20000 m.y. ago |
Stratigraphy
| Formation: | Christopher | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an unknown unit, for which lithostratigraphic relations are not discussed. AGE: Middle Albian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From the unknown position within local section. PJW: Christopher formation given Macrostrat. | |||||
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Siliciclastic. LITHIFICATION: Lithified, on the basis of figured specimens. | |
| Environment: | marine indet. |
| Geology comments: ENVIRONMENT: Not reported in text, but apparently marine siliciclastic. | |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | GSC |
| Collection method comments: COLLECTOR: Not stated in text. REPOSITORY: Geological Survey of Canada (GSC). | |
| Taxonomic list comments:COVERAGE: Limited to described ammonoids. NOMENCLATURE: Authoritative publication with modern nomenclature and species-resolution identifications. | |
Metadata
| Database number: | 87628 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2009-03-22 07:53:53 | Last modified: | 2024-05-11 20:54:10 |
| Access level: | the public | Released: | 2009-03-22 07:53:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 29484. | J. A. Jeletzky. 1980. New or formerly poorly known, biochronologically and paleobiogeographically important gastroplitinid and cleoniceratinid (Ammonitida) taxa from Middle Albian rocks of mid-western and Arctic Canada. Geological Survey of Canada Paper 79(22):1-63 [A. Hendy/A. Hendy] |