Locality 57, northeast of Green Grass: Late/Upper Maastrichtian, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Scaphitidae
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Discoscaphites gulosus
(Morton 1834)
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Jeletzkytes spedeni
Landman and Waage 1993
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| see common names | |||||||
Geography
| Country: | United States | State/province: | South Dakota | County: | Dewey |
| Coordinates: | 45.2° North, 101.1° West (view map) | ||||
| Paleocoordinates: | 50.9° North, 74.8° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Late/Upper Maastrichtian | Ammonoid zone: | Hoploscaphites nicolletii |
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Fox Hills | Member: | Trail City | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Protocardia-Oxytoma Assemblage Zone (POAZ) | |||||
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | YPM |
Metadata
| Database number: | 178601 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2016-05-07 15:52:44 | Last modified: | 2016-05-07 19:40:41 |
| Access level: | the public | Released: | 2016-05-07 15:52:44 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 29676. | N. H. Landman and K. M. Waage. 1993. Scaphitid ammonites of the Upper Cretaceous (Maastrichtian) Fox Hills Formation in South Dakota and Wyoming. Bulletin of the American Museum of Natural History 215:1-257 [A. Hendy/A. Hendy/A. Hendy] |