8 km west-southwest of Winifred: Late Campanian, Montana
collected by B. Shipp & J. Gilpatrick 2005–2007
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Ceratopsidae
|
||||||||||
|
Spiclypeus shipporum n. gen., n. sp.
Mallon et al. 2016
|
1 individual | |||||||||
| CMN 58071 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana | County: | Fergus |
| Coordinates: | 47.5° North, 109.5° West (view map) | ||||
| Paleocoordinates: | 54.6° North, 75.8° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late Campanian | ||
| Age range of interval: | 83.6 - 72.1 m.y. ago |
Stratigraphy
| Geological group: | Montana | Formation: | Judith River | Member: | Coal Ridge |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: unclear whether these beds represent the Lisangou Fm. or the Xipongnaobao Fm. | |||||
Lithology and environment
| Primary lithology: | sideritic silty,carbonaceous mudstone |
| Includes fossils? | Y |
| Lithology description: "a mudstone, with abundant plant fragments throughout, and a siderite nodule zone at the top." | |
| Environment: | crevasse splay |
| Geology comments: "an overbank deposit in a floodplain environment" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Spatial orientation: | random |
| Preservation of anatomical detail: | good |
| Articulated whole bodies: | none |
| Associated major elements: | some |
| Fragmentation: | frequent |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,surface (float),surface (in situ),mechanical,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | B. Shipp & J. Gilpatrick | Collection dates: | 2005–2007 |
Metadata
| Database number: | 55274 | ||
| Authorizer: | M. Carrano | Enterer: | K. Maguire, M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-10-05 11:30:21 | Last modified: | 2016-05-18 14:43:42 |
| Access level: | the public | Released: | 2005-10-05 11:30:21 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 59188. | J. C. Mallon, C. J. Ott, P. L. Larson, E. M. Iuliano, and D. C. Evans. 2016. Spiclypeus shipporum gen. et sp. nov., a boldly audacious new chasmosaurine ceratopsid (Dinosauria: Ornithischia) from the Judith River Formation (Upper Cretaceous: Campanian) of Montana, USA. PLoS ONE 11(5):e0154218:1-40 [M. Carrano/M. Carrano] |