Base Mine, Syncrude: Albian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Ophthalmosauridae
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Ophthalmosauridae indet.
Andrews 1910
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Maxwell and Druckenmiller 2011 | |||||||||
| TMP 92.41.01, a semi-articulated, laterally compressed, postcranial ichthyosaur skeleton | ||||||||||
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Reptilia
- Plesiosauria
- Leptocleididae
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Nichollsia borealis n. gen., n. sp.
Druckenmiller and Russell 2008
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1 specimen | |||||||||
| replaced by Nichollssaura borealis | ||||||||||
| TMP 94.122.01, juvenile skeleton | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Alberta |
| Coordinates: | 57.0° North, 111.7° West (view map) | ||
| Paleocoordinates: | 56.3° North, 59.5° West | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Albian | ||
| Age range of interval: | 113.00000 - 100.50000 m.y. ago |
Stratigraphy
| Formation: | Clearwater | Member: | Wabiskaw |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | fine,glauconitic sandstone |
| Lithology description: very fine to medium grained glauconitic sandstone | |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Preservation of anatomical detail: | excellent |
| Articulated whole bodies: | all |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 87105 | ||
| Authorizer: | M. Uhen, P. Mannion | Enterer: | M. Uhen, J. Tennant | Research group: | vertebrate |
| Created: | 2009-03-04 14:12:05 | Last modified: | 2009-03-04 16:12:05 |
| Access level: | the public | Released: | 2009-03-04 14:12:05 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 29311. | P. S. Druckenmiller and A. P. Russell. 2008. Skeletal anatomy of an exceptionally complete specimen of a new genus of plesiosaur from the Early Cretaceous (Early Albian) of northeastern Alberta, Canada. Palaeontographica. Abteilung A: Palaeozoologie-Stratigraphie 283(1-3):1-33 [M. Uhen/M. Uhen] |
Secondary references:
| 46436 | E. E. Maxwell and P. S. Druckenmiller. 2011. A small ichthyosaur from the Clearwater Formation (Alberta, Canada) and a discussion of the taxonomic utility of the pectoral girdle. Palaeontologische Zeitschrift 85:457-463 [P. Mannion/J. Tennant] |