Red Rock Cairn 2 Site, MOR TM-012: Late/Upper Santonian - Early/Lower Campanian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Hadrosauridae
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cf. Maiasaura sp.
Horner and Makela 1979
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29 specimens | |||||||||
| eggshell fragments | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana | County: | Teton |
| Coordinates: | 47.8° North, 112.2° West (view map) | ||||
| Paleocoordinates: | 55.3° North, 77.8° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Key time interval: | Late/Upper Santonian - Early/Lower Campanian | ||
| Age range of interval: | 86.30000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Montana | Formation: | Two Medicine | Member: | Lower |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Articulated whole bodies: | none |
| Associated major elements: | none |
| Disassociated major elements: | all |
| Fragmentation: | frequent |
Collection methods and comments
| Collection methods: | selective quarrying,surface (float),surface (in situ),mechanical,hydrochloric,field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: 96 ridged, 13 nodose and 9 smooth eggshell fragments | |
Metadata
| Database number: | 53057 | ||
| Authorizer: | M. Carrano | Enterer: | K. Maguire |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2005-09-02 16:19:02 | Last modified: | 2022-05-10 05:28:57 |
| Access level: | the public | Released: | 2005-09-02 16:19:02 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 14356. | ETE | K. F. Hirsch and B. Quinn. 1990. Eggs and eggshell fragments from the Upper Cretaceous Two Medicine Formation of Montana. Journal of Vertebrate Paleontology 10(4):491-511 [M. Carrano/K. Maguire/M. Carrano] |
Secondary references:
| 54631 | J. R. Horner. 1989. The Mesozoic terrestrial ecosystems of Montana. In D. E. French & R. F. Grabb (ed.), Geologic Resources of Montana. 1989 Montana Geological Society Field Conference and Symposium Guidebook 153-162 [M. Carrano/M. Carrano] |