SE of Pierre: Late/Upper Campanian, South Dakota
collected by D. R. Crandell 1948
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Mosasauridae
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Mosasaurus missouriensis n. sp.
(Harlan 1834)
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Bardet 2012 | |||||||||
MNHN 9587, anterior fragment of the premaxilla; RFWUIP 1327 | ||||||||||
Plioplatecarpus primaevus n. sp.
Russell 1967
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1 specimen | |||||||||
USNM 18254 | ||||||||||
Chondrichthyes
- Squalomorphii
- Hexanchidae
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Notidanodon sp.
Cappetta 1975
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Martin 2016 | 1 specimen | ||||||||
SDSM 86930 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | South Dakota | County: | Hughes |
Coordinates: | 44.5° North, 100.4° West (view map) | ||||
Paleocoordinates: | 49.6° North, 67.8° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Late/Upper Campanian | ||
Age range of interval: | 83.50000 - 70.60000 m.y. ago |
Stratigraphy
Geological group: | Montana | Formation: | Pierre Shale | Member: | DeGrey |
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: "DeGrey Member, Lower Pierre Shale, South Dakota" (1967); earlier listed as from the Ocama Mbr. |
Lithology and environment
Primary lithology: | "shale" |
Includes fossils? | Y |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | medium |
Abundance in sediment: | rare |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | survey of museum collection | ||
Collection size: | 1 specimens | ||
Reason for describing collection: | general faunal/floral analysis | ||
Museum repositories: | USNM | ||
Collectors: | D. R. Crandell | Collection dates: | 1948 |
Taxonomic list comments:Specimen named Plioplatecarpus primaevus as a new species in 1967, but the name given to the same specimen in 1964 (Plioplatecarpus houzeaui) not listed in the synonymy. |
Metadata
Also known as: | Big Bend along the Missouri River | ||
Database number: | 107704 | ||
Authorizer: | M. Carrano, P. Holroyd, P. Mannion | Enterer: | H. Street, P. Holroyd, J. Tennant |
Modifier: | P. Mannion | Research group: | vertebrate |
Created: | 2011-04-14 05:50:37 | Last modified: | 2018-06-14 12:14:23 |
Access level: | the public | Released: | 2011-04-14 05:50:37 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
35745. | ETE | D. A. Russell. 1964. The Skull of American Mosasaurs. 1-386 [M. Carrano/H. Street/P. Wagner] |
Secondary references:
46107 | N. Bardet. 2012. The mosasaur collections of the Museum National d'Histoire Naturelle of Paris. Bulletin de la Societe Geologique de France 183(1):35-53 [P. Mannion/J. Tennant] | |
65941 | T. Konishi, M. G. Newbrey, and M. W. Caldwell. 2014. A small, exquisitely preserved specimen of Mosasaurus missouriensis (Squamata, Mosasauridae) from the upper Campanian of the Bearpaw Formation, western Canada, and the first stomach contents for the genus. Journal of Vertebrate Paleontology 34(4):802-819 [P. Mannion/P. Mannion] | |
82170 | J. E. Martin. 2016. A hexanchid shark from the Late Cretaceous Pierre Shale Group of the Western Interior Seaway of North Amercia [sic] . Proceedings of the South Dakota Academy of Science 95:69-72 [P. Holroyd/P. Holroyd] | |
36230 | ETE | D. A. Russell. 1967. Systematics and morphology of American mosasaurs (Reptilia, Sauria). Bulletin of the Peabody Museum of Natural History 23:1-252 [M. Carrano/H. Street/M. Carrano] |