Egg Baby Butte, MOR TM-035: Campanian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Hadrosauridae
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Hypacrosaurus stebingeri
Horner and Currie 1994
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1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Montana | County: | Glacier |
| Coordinates: | 48.9° North, 112.6° West (view map) | ||||
| Paleocoordinates: | 56.5° North, 77.7° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Montana | Formation: | Two Medicine | Member: | Upper |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Specimens found in the uppermost 100 of the 650-m thick formation. | |||||
Lithology and environment
| Primary lithology: | gray,green mudstone |
| Includes fossils? | Y |
| Lithology description: "greenish-gray mudstones" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Spatial orientation: | random |
| Disassociated major elements: | many |
| Disassociated minor elements: | many |
| Fragmentation: | frequent |
Collection methods and comments
| Collection methods: | selective quarrying,surface (float),surface (in situ),field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Landslide Butte | ||
| Database number: | 53042 | ||
| Authorizer: | M. Carrano | Enterer: | K. Maguire |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-09-01 15:47:09 | Last modified: | 2015-03-16 15:22:17 |
| Access level: | the public | Released: | 2005-09-01 15:47:09 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 12559. | ETE | J. R. Horner and P. J. Currie. 1994. Embryonic and neonatal morphology and ontogeny of a new species of Hypacrosaurus (Ornithischia, Lambeosauridae) from Montana and Alberta. In K. Carpenter, K. F. Hirsch, and J. R. Horner (eds.), Dinosaur Eggs and Babies, Cambridge University Press, Cambridge 312-336 [A. Behrensmeyer/M. Carrano/M. Carrano] |
Secondary references:
| 14331 | ETE | J. R. Horner. 1994. Comparative taphonomy of some dinosaur and extant bird colonial nesting grounds. K. Carpenter, K.F. Hirsch & J.R. Horner (eds.) Dinosaur Eggs and Babies. Cambridge University Press, Cambridge 116-123 [M. Carrano/K. Maguire/M. Carrano] |