Clearwater Fm: Albian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Ammonitida
- Desmoceratidae
|
|||||||
|
? Puzosia sp.
Bayle 1878
|
|||||||
|
Cephalopoda
- Ammonitida
- Cleoniceratidae
|
|||||||
|
Lemuroceras cf. irenense
McLearn 1945
|
|||||||
| recombined as Subarctoplites irenense | |||||||
|
Lemuroceras belli
McLearn 1945
|
|||||||
| recombined as Arcthoplites (Subarcthoplites) belli | |||||||
|
Bivalvia
- Nuculanida
- Yoldiidae
|
|||||||
|
Yoldia kissoumi
McLearn 1933
|
McLearn 1933 | ||||||
|
Bivalvia
- Nuculida
- Nuculidae
|
|||||||
|
Nucula athabaskensis
McLearn 1931
|
McLearn 1933 | ||||||
|
Bivalvia
- Myalinida
- Inoceramidae
|
|||||||
|
Inoceramus dowlingi
McLearn 1931
|
McLearn 1933 | ||||||
|
Bivalvia
- Pectinida
- Pectinidae
|
|||||||
|
Camptonectes matonabbei
McLearn 1933
|
McLearn 1933 | ||||||
|
Pecten alcesianus
McLearn 1933
|
McLearn 1933 | ||||||
|
Bivalvia
- Pectinida
- Entoliidae
|
|||||||
|
Entolium irenense
McLearn 1933
|
McLearn 1933 | ||||||
|
Bivalvia
- Cardiida
- Cardiidae
|
|||||||
|
Integricardium (Onestia) onestae
(McLearn 1931)
|
McLearn 1933 | ||||||
|
Protocardia alcesiana
McLearn 1933
|
McLearn 1933 | ||||||
|
Bivalvia
- Cardiida
- Tellinidae
|
|||||||
|
Tellina dowlingi
McLearn 1919
|
McLearn 1933 | ||||||
|
Bivalvia
- Cardiida
- Arcticidae
|
|||||||
|
Arctica limpidiana
McLearn 1933
|
McLearn 1933 | ||||||
|
Bivalvia
- Pholadida
- Teredinidae
|
|||||||
|
Turnus lacombi
McLearn 1933
|
McLearn 1933 | ||||||
|
Bivalvia
- Hiatellida
- Hiatellidae
|
|||||||
|
Psilomya elongatissima
McLearn 1933
|
McLearn 1933 | ||||||
| recombined as Panope elongatissima | |||||||
|
Bivalvia
- Poromyida
- Poromyidae
|
|||||||
|
Psilomya peterpondi
McLearn 1933
|
McLearn 1933 | ||||||
|
Bivalvia
- Pholadomyida
- Pholadomyidae
|
|||||||
|
Goniomya matonabbei
McLearn 1933
|
McLearn 1933 | ||||||
|
unclassified
|
|||||||
|
Brachydontes athabaskensis
McLearn 1919
|
McLearn 1933 | ||||||
| see common names | |||||||
Geography
| Country: | Canada | State/province: | Alberta |
| Coordinates: | 53.3° North, 117.9° West (view map) | ||
| Paleocoordinates: | 54.2° North, 67.7° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | local area |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Albian | Ammonoid zone: | Beudanticeras affine |
| Age range of interval: | 113.00000 - 100.50000 m.y. ago |
Stratigraphy
| Formation: | Clearwater | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Clearwater Fm, for which lithostratigraphic relations are not discussed. AGE: Albian, on the basis of ammonoid biostratigraphy; Beudanticeras affine zone. STRATIGRAPHIC POSITION: List representing formation. | |||||
Lithology and environment
| Primary lithology: | black,green lithified "shale" |
| Secondary lithology: | lithified sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Black and green shale and sandstone interbeds. LITHIFICATION: Lithified, on the basis of figured specimens. | |
| Environment: | marine indet. |
| Geology comments: ENVIRONMENT: Not stated in text, but apparently marine siliciclastic. | |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera,some macrofossils |
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
| Collection method comments: COLLECTOR: Multiple collectors. REPOSITORY: Geological Survey of Canada (GSC) and National Museum of Canada. | |
| Taxonomic list comments:COVERAGE: Limited to characteristic Ammonoidea but exhaustive for bivalvia. NOMENCLATURE: From a range of publications, with nomenclature of variable antiquity but with species-resolution identifications. | |
Metadata
| Database number: | 87418 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2009-03-17 08:48:18 | Last modified: | 2019-04-24 00:46:24 |
| Access level: | the public | Released: | 2009-03-17 08:48:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 29431. | J. A. Jeletzky. 1968. Macrofossil zones of the marine Cretaceous of the Western Interior of Canada and their correlation with the zones and stages of Europe and the Western Interior of the United States. Geological Survey of Canada Paper 67(72):1-66 [A. Hendy/A. Hendy] |
Secondary references:
| 29453 | F. H. McLearn. 1933. Pelecypods of the Lower Cretaceous Clearwater Formation. Transactions of the Royal Society of Canada 27(4):139-156 [A. Hendy/A. Hendy/A. Hendy] |