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
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Discoscaphytes conradi
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Discoscaphytes rossi
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Cephalopoda
- Ammonitida
- Scaphitidae
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Hoploscaphites nicolleti
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Jeletzkytes spendeni
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Bivalvia
- Nuculida
- Nuculidae
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Nucula sp.
Lamarck 1799
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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Reptilia
- Mosasauridae
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Mosasaurus hoffmanni
(Mantell 1829)
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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] |