Custer County: Early/Lower Campanian - Middle Campanian, South Dakota
collected by J. Clark, W. D. and P. F. Turbull
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Osteichthyes
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Osteichthyes indet.
Huxley 1880
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Russell 1975 | |||||||||
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Reptilia
- Mosasauridae
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Globidens dakotensis n. sp.
Russell 1975
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Russell 1975 | |||||||||
| FMNH PR 846 - type (skull [lacking mandibles and ectopterygoids], cervical vertebrae 1-7, and dorsal vertebrae 1-4) | ||||||||||
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Platecarpus sp.
Cope 1869
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3 individuals | |||||||||
| CNHM nos. PR 465-467 | ||||||||||
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Platecarpus cf. somenensis
Thevenin 1896
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Russell 1975 | |||||||||
| nomen dubium belonging to Plioplatecarpinae | ||||||||||
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Reptilia
- Testudines
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Toxochelys browni
(Hay 1905)
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Russell 1975 | |||||||||
| synonym of Toxochelys latiremis | ||||||||||
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Reptilia
- Plesiosauria
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? Plesiosauria indet.
de Blainville 1835
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Russell 1975 | |||||||||
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Reptilia
- Hesperornithiformes
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Hesperornis sp.
Marsh 1872
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Russell 1975 | |||||||||
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Reptilia
- Pterosauria
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Pterosauria indet.
Kaup 1834
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Russell 1975 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | South Dakota | County: | Custer |
| Coordinates: | 43.6° North, 103.2° West (view map) | ||||
| Paleocoordinates: | 49.4° North, 71.1° 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: | Early/Lower Campanian - Middle Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Montana | Formation: | Pierre Shale | Member: | Sharon Springs |
| Stratigraphic resolution: | bed |
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: | good |
| Abundance in sediment: | few |
| Fragmentation: | occasional |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Collection size: | 4 individuals |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | FMNH |
| Collectors: | J. Clark, W. D. and P. F. Turbull |
Metadata
| Also known as: | East of Wind Cave National Park; Globidens dakotensis type locality | ||
| Database number: | 107676 | ||
| Authorizer: | M. Carrano, P. Mannion | Enterer: | H. Street, P. Mannion |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2011-04-13 06:30:33 | Last modified: | 2012-01-31 16:55:05 |
| Access level: | the public | Released: | 2011-04-13 06:30:33 |
| 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:
| 39763 | D. A. Russell. 1975. A new species of Globidens from South Dakota, and a review of the globidentine mosasaurs. Fieldiana Geology 33(13):235-256 [P. Mannion/P. Mannion] |