Shield Wolf Quarry (SWQ): Late/Upper Maastrichtian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
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Gastropoda indet.
Cuvier 1795
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Mammalia
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Mammalia indet.
Linnaeus 1758
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Mammalia
- Multituberculata
- Cimolomyidae
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Meniscoessus robustus
(Marsh 1889)
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1 specimen | ||||||
Mammalia
- Gypsonictopidae
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Gypsonictops sp.
Simpson 1927
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1 specimen | ||||||
Mammalia
- Alphadontidae
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Alphadon sp.
Simpson 1927
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1 specimen | ||||||
Reptilia
- Testudines
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Chelonia indet.
(Latreille 1800)
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synonym of Testudines | |||||||
Reptilia
- Crocodylia
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Crocodylia indet.
(Owen 1842)
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Reptilia
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Ceratopsia indet.
Marsh 1890
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Reptilia
- Hadrosauridae
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Hadrosaurinae indet.
Lambe 1918
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Reptilia
- Theropoda
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Theropoda indet.
Marsh 1881
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Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus sp.
Agassiz 1843
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see common names |
Geography
Country: | United States | State/province: | Montana | County: | Carbon |
Coordinates: | 45.0° North, 108.8° West (view map) | ||||
Paleocoordinates: | 52.2° North, 83.3° 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: | 70.60000 - 66.00000 m.y. ago |
Stratigraphy
Formation: | Lance | ||||
Local section: | Little Cottonwood Draw | Local bed: | Little Cottonwood Draw | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: uppermost part of formation |
Lithology and environment
Primary lithology: | sandstone |
Secondary lithology: | argillaceous conglomerate |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: "a basal sandstone overlying a clayball conglomerate in a sequence of interbedded sandstones and claystones...Most of the specimens were recovered from the conglomerate layer with additional specimens coming from the overlying sandstone." | |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | concentrated |
Size of fossils: | macrofossils,mesofossils |
Disassociated major elements: | some |
Disassociated minor elements: | some |
Fragmentation: | occasional |
Collection methods and comments
Collection excludes: | some genera |
Collection methods: | field collection |
Reason for describing collection: | general faunal/floral analysis |
Metadata
Also known as: | Little Cottonwood Draw | ||
Database number: | 55326 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 2005-10-10 08:02:53 | Last modified: | 2022-02-03 07:56:11 |
Access level: | the public | Released: | 2005-10-10 08:02:53 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
14811. | ETE | J. Pappas, R. Moses, and B. O'Grady. 2005. Taxonomic diversity of a Maastrichtian age microfaunal locality in the Little Cottonwood Draw, Carbon County, Montana. Journal of Vertebrate Paleontology 25(3, suppl.):98A [M. Carrano/M. Carrano] |