TMP NL-4: Early Maastrichtian, Canada
collected by Brinkman 2003
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Amphibia
- Temnospondyli
- Batrachosauroididae
|
||||||||||
| 3 specimens | ||||||||||
|
Amphibia
- Temnospondyli
- Urodela
|
||||||||||
| 9 specimens | ||||||||||
|
Amphibia
- Temnospondyli
|
||||||||||
| 8 specimens | ||||||||||
| TMP 2009.139.6 | ||||||||||
|
Reptilia
- Tyrannosauridae
|
||||||||||
| 1 specimen | ||||||||||
|
Reptilia
|
||||||||||
| 1 specimen | ||||||||||
| 1 specimen | ||||||||||
| TMP 2009.139.4 | ||||||||||
|
Reptilia
- Troodontidae
|
||||||||||
| 5 specimens | ||||||||||
| TMP 2003.34.1 | ||||||||||
|
Reptilia
- Hadrosauridae
|
||||||||||
| 59 specimens | ||||||||||
|
Reptilia
- Ceratopsidae
|
||||||||||
| 17 specimens | ||||||||||
|
Reptilia
- Ankylosauridae
|
||||||||||
| 1 specimen | ||||||||||
| TMP 2009.139.4 | ||||||||||
|
Reptilia
- Testudines
- Chelydridae
|
||||||||||
| 1 specimen | ||||||||||
|
Mammalia
|
||||||||||
| 1 specimen | ||||||||||
|
Actinopteri
|
||||||||||
| 106 specimens | ||||||||||
|
Actinopteri
- Amiiformes
- Amiidae
|
||||||||||
| 1 specimen | ||||||||||
|
Actinopteri
- Salmoniformes
|
||||||||||
|
Salmoniformes indet.
Bleeker 1859
|
1 specimen | |||||||||
| TMP 2009.139.1 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Alberta |
| Coordinates: | 52.0° North, 112.9° West (view map) | ||
| Paleocoordinates: | 64.1° North, 67.9° West (Wright 2013) | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Early Maastrichtian | ||
| Age range of interval: | 72.1 - 66 m.y. ago |
Stratigraphy
| Geological group: | Edmonton | Formation: | Horseshoe Canyon | Member: | Morrin/Tolman |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: from Drumheller Marine Tongue, Unit 2
Drumheller Marine Tongue section spans Morrin/Tolman contact zone and has been dated to 70.896+/0.048Ma. For revised age stratigraphy of the Horseshoe Canyon Formation, see Eberth and Braman 2012 and Eberth et al. 2020 | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | coastal indet. |
| Geology comments: "brackish water" | |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | concentrated |
| Size of fossils: | mesofossils |
| Preservation of anatomical detail: | good |
| Abundance in sediment: | abundant |
| Fragmentation: | occasional |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | bulk,sieve,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | TMP | ||
| Collectors: | Brinkman | Collection dates: | 2003 |
Metadata
| Database number: | 135739 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2012-11-06 10:47:28 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2012-11-06 10:47:28 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 43426. | D. W. Larson, D. B. Brinkman, and P. R. Bell. 2010. Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed. Canadian Journal of Earth Sciences 47:1159-1181 [M. Carrano/M. Carrano] |