Twin Butte Creek: Santonian, Kansas
collected by Cope 1871
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Pteranodon comptus
Marsh 1876
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Marsh 1876 | 1 specimen | ||||||||
| YPM 2287, limb-shaft fragments and two dorsal centra | ||||||||||
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= Nyctosaurus sp.
Marsh 1876
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Bennett 1994 | |||||||||
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Ornithocheirus harpyia n. sp.
Cope 1872
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1 specimen | |||||||||
| nomen dubium belonging to Pteranodon | ||||||||||
| AMNH 1572, partial right metacarpal IV, proximal left wing phalanx 1, partial wing phalanx 2. At least two individuals | ||||||||||
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Pteranodon longiceps
Marsh 1876
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Bennett 1991 | 2 individuals | ||||||||
| CM 1539, CM "UNC A" | ||||||||||
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Reptilia
- Testudines
- Protostegidae
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Protostega gigas
Cope 1871
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Hay 1908 | |||||||||
| CM 1393, plastron, limbs, and skull | ||||||||||
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Reptilia
- Testudines
- Toxochelyidae
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Toxochelyidae indet.
Baur 1895
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Bennett 1994 | |||||||||
| Mandible and marginal scutes | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Kansas | County: | Logan |
| Coordinates: | 38.8° North, 100.9° West (view map) | ||||
| Paleocoordinates: | 42.1° North, 67.5° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | local area |
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: Specimens probably collected between Marker Units 12 and 20 (Bennett 1991, 1994); upper part of member | |||||
Lithology and environment
| Primary lithology: | chalk |
| Environment: | offshore indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Disassociated minor elements: | all |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | AMNH | ||
| Collectors: | Cope | Collection dates: | 1871 |
Metadata
| Also known as: | Pteranodon harpyia holotype | ||
| Database number: | 93225 | ||
| Authorizer: | R. Butler, E. Vlachos | Enterer: | R. Butler, E. Vlachos |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2010-01-08 06:14:34 | Last modified: | 2023-08-02 07:51:01 |
| Access level: | the public | Released: | 2010-01-08 06:14:34 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 15645. | ETE | E. D. Cope. 1872. On two new ornithosaurians from Kansas. Proceedings of the American Philosophical Society 12:420-422 [M. Carrano/M. Carrano] |
Secondary references:
| 31608 | S. C. Bennett. 1991. Morphology of the Late Cretaceous pterosaur Pteranodon and systematics of the Pterodactyloidea. University of Kansas. 1-680 [R. Butler/R. Butler/R. Butler] | |
| 31085 | S. C. Bennett. 1994. Taxonomy and systematics of the Late Cretaceous pterosaur Pteranodon (Pterosauria, Pterodactyloidea). Occasional Papers of the Natural History Museum of the University of Kansas 169:1-70 [R. Butler/R. Butler] | |
| 14442 | ETE | O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano] |
| 7807 | O. C. Marsh. 1876. Notice of a new sub-order of Pterosauria. American Journal of Science 11:507-509 [M. Carrano/M. Carrano/M. Carrano] | |
| 31609 | R. M. Schoch. 1984. Notes on the type specimens of Pteranodon and Nyctosaurus (Pterosauria, Pteranodontidae) in the Yale Peabody Museum collections. Postilla 194:1-23 [R. Butler/R. Butler] |