Woodward Farm, SDSMT V9325: Late/Upper Maastrichtian, South Dakota
collected by H. Ross and O. F. Lone 1993
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
unclassified
|
||||||||||
|
Discoscaphytes conradi
|
||||||||||
|
Discoscaphytes rossi
|
||||||||||
|
Cephalopoda
- Ammonitida
- Scaphitidae
|
||||||||||
|
Hoploscaphites nicolleti
|
||||||||||
|
Jeletzkytes spendeni
|
||||||||||
|
Bivalvia
- Nuculida
- Nuculidae
|
||||||||||
|
Nucula sp.
Lamarck 1799
|
||||||||||
|
Bivalvia
- Ostreida
- Ostreidae
|
||||||||||
|
Ostrea sp.
Linnaeus 1758
|
||||||||||
|
Reptilia
- Mosasauridae
|
||||||||||
|
Mosasaurus hoffmanni
(Mantell 1829)
|
||||||||||
| original and current combination Mosasaurus hoffmannii | ||||||||||
| TLAM NH.HR.2009.032.0001 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | South Dakota | County: | Ziebach |
| Coordinates: | 45.0° North, 101.7° West (view map) | ||||
| Paleocoordinates: | 50.8° North, 75.5° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Late/Upper Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Fox Hills | Member: | Trail City |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | silty,sandy "carbonate" |
| Includes fossils? | Y |
| Lithology description: silty, sandy, carbonate concretion | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,concretion |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (float) | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | H. Ross and O. F. Lone | Collection dates: | 1993 |
Metadata
| Also known as: | Moreau River | ||
| Database number: | 194136 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion | Research group: | vertebrate |
| Created: | 2018-06-14 12:02:09 | Last modified: | 2018-06-14 12:02:09 |
| Access level: | the public | Released: | 2018-06-14 12:02:09 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 65940. | T. L. Harrell, Jr. and J. E. Martin. 2015. A mosasaur from the Maastrichtian Fox Hills Formation of the northern Western Interior Seaway of the United States and the synonymy of Mosasaurus maximus with Mosasaurus hoffmanni (Reptilia: Mosasauridae). Netherlands Journal of Geosciences - Geologie en Mijnbouw 94(1):23-37 [P. Mannion/P. Mannion] |