PTRM V92027, Doaks Butte: Late/Upper Maastrichtian, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Caenagnathidae
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Caenagnathidae indet.
Sternberg 1940
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1 specimen | ||||||
Reptilia
- Tyrannosauridae
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Tyrannosaurus rex
Osborn 1905
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3 specimens | ||||||
Reptilia
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Champsosaurus sp.
Cope 1876
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3 specimens | ||||||
Reptilia
- Testudines
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Helopanoplia distincta
Hay 1908
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1 specimen | ||||||
Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
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1 specimen | ||||||
Actinopteri
- Amiiformes
- Amiidae
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Kindleia fragosa
Jordan 1927
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1 specimen | ||||||
recombined as Cyclurus fragosus | |||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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2 specimens | ||||||
see common names |
Geography
Country: | United States | State/province: | South Dakota | County: | Harding |
Coordinates: | 45.9° North, 103.9° West (view map) | ||||
Paleocoordinates: | 52.2° North, 77.5° West | ||||
Basis of coordinate: | estimated from map | ||||
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: | 70.60000 - 66.00000 m.y. ago |
Stratigraphy
Geological group: | Montana | Formation: | Hell Creek | ||
Local section: | Doaks Butte | Local bed: | 67.00 m | ||
Local order: | top to bottom | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: datum -67.00, K-T section 9906 |
Lithology and environment
Primary lithology: | sandstone |
Includes fossils? | Y |
Environment: | "channel" |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | concentrated |
Size of fossils: | macrofossils,mesofossils |
Disassociated major elements: | many |
Disassociated minor elements: | many |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 45389 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 2004-10-20 06:30:07 | Last modified: | 2022-03-28 04:48:36 |
Access level: | the public | Released: | 2004-10-20 06:30:07 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
11749. | ETE | D. A. Pearson, T. Schaefer, K. R. Johnson, D. J. Nichols, and J. P. Hunter. 2002. Vertebrate biostratigraphy of the Hell Creek Formation in southwestern North Dakota and northwestern South Dakota. In J. H. Hartman, J. R. Johnson, and D. J. Nichols (eds.), The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the Cretaceous, Geological Society of America Special Paper 361:145-167 [M. Carrano/M. Carrano/M. Carrano] |