Elm Lake Spillway: Campanian, South Dakota
collected by J. Bump, H. Martin 1945
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
- Ammonitida
- Baculitidae
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Baculites compressus
Say 1920
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Reptilia
- Mosasauridae
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Mosasaurus missouriensis
(Harlan 1834)
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Russell 1964 | 1 specimen | ||||||||
SDSM 452, partial skeleton; called Mosasaurus poultneyi by Martin | ||||||||||
see common names |
Geography
Country: | United States | State/province: | South Dakota | County: | Brown |
Coordinates: | 45.9° North, 98.7° West (view map) | ||||
Paleocoordinates: | 50.3° North, 64.5° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Campanian | ||
Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
Geological group: | Montana | Formation: | Pierre Shale | Member: | Virgin Creek |
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: "probably from Virgin Creek member" |
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 |
Fragmentation: | occasional |
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: | SDSM | ||
Collectors: | J. Bump, H. Martin | Collection dates: | fall 1945 |
Collection method comments: Most of the skull and jaw material had been dis-articulated and washed downstream by the time of discovery of the skeleton, but "some of the pieces were recovered from neighbors and other visitors who had taken home a souvenir of the beast." |
Metadata
Database number: | 107779 | ||
Authorizer: | M. Carrano | Enterer: | H. Street |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2011-04-15 05:03:13 | Last modified: | 2012-01-31 17:09:03 |
Access level: | the public | Released: | 2011-04-15 05:03:13 |
Creative Commons license: | CC BY |