Bow Creek; Sugar Bowl Mound: Santonian, Kansas
collected by B. F. Mudge 1872
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Ichthyornis dispar n. gen., n. sp.
Marsh 1872
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1 individual | |||||||||
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Colonosaurus mudgei n. gen., n. sp.
Marsh 1872
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Marsh 1872 | 1 individual | ||||||||
| synonym of Ichthyornis dispar | ||||||||||
| believed to be an objective synonym of I. dispar by Walker | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Kansas | County: | Rooks |
| Coordinates: | 39.6° North, 99.3° West (view map) | ||||
| Paleocoordinates: | 42.5° North, 65.5° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Santonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Santonian | ||
| Age range of interval: | 86.30000 - 83.60000 m.y. ago |
Stratigraphy
| Geological group: | Colorado | Formation: | Niobrara | Member: | Smoky Hill Chalk |
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "Cretaceous" (age assignment based on age of other Niobrara Chalk collections) | |||||
Lithology and environment
| Primary lithology: | lithified chalk |
| Includes fossils? | Y |
| Lithology description: "slab of chalk rock" | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Articulated whole bodies: | some |
Collection methods and comments
| Collection methods: | survey of museum collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | YPM | ||
| Collectors: | B. F. Mudge | Collection dates: | 1872 |
Metadata
| Also known as: | Ichthyornis dispar type locality | ||
| Database number: | 85276 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2008-12-09 10:26:01 | Last modified: | 2023-08-02 06:19:32 |
| Access level: | the public | Released: | 2008-12-09 10:26:01 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 34465. | ETE | O. C. Marsh. 1872. Notice of a new and remarkable fossil bird. The American Journal of Science and Arts, series 3 4(19-24):344 [M. Carrano/M. Carrano] |
Secondary references:
| 34448 | ETE | O. C. Marsh. 1872. Notice of a new reptile from the Cretaceous. The American Journal of Science and Arts, series 3 4(19-24):406 [M. Carrano/M. Carrano] |
| 28715 | M. V. Walker. 1967. Revival of interest in the toothed birds of Kansas. Transactions of the Kansas Academy of Science 70(1):60-66 [J. Alroy/J. Alroy] |