Case Site 2 (DUPLICATE): Judithian, Wyoming
collected 1978
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Zhelestidae
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Paranyctoides megakeros
Lillegraven and McKenna 1986
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| DELETE MEASUREMENT (1 measurement) | ||||||||||
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Mammalia
- Alphadontidae
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Alphadon sahnii
Lillegraven and McKenna 1986
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| DELETE MEASUREMENT (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Washakie |
| Coordinates: | 44.1° North, 107.8° West (view map) | ||||
| Paleocoordinates: | 51.0° North, 75.7° West | ||||
| Basis of coordinate: | stated in text | ||||
| Altitude: | 1403 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 | *Epoch: | Senonian |
| Key time interval: | Judithian | ||
| Age range of interval: | 83.6 - 72.1 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Mesaverde |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | intraclastic argillaceous sandstone |
| Includes fossils? | Y |
| Lithology description: "friable, yellow channel sandstones with occasional stringers of clay galls and clay clasts" | |
| Environment: | "channel" |
Taphonomy
| Modes of preservation: | body |
| Lagerst�tten type: | concentrate |
| Degree of concentration: | concentrated |
| Size of fossils: | mesofossils |
| Preservation of anatomical detail: | good |
| Disassociated major elements: | all |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | bulk,sieve,field collection |
| Collection size: | 16 specimens |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | AMNH | Collection dates: | 1978 |
| Taxonomic list comments:NISP 16 (based on catalog numbers) | |
Metadata
| Also known as: | G. R. Case no. MV497, 501-505, 507-509 | ||
| Database number: | 14439 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 1994-04-30 00:00:00 | Last modified: | 2010-12-09 16:30:52 |
| Access level: | the public | Released: | 1994-04-30 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2237. | J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 17857 | ETE | D. G. DeMar, Jr. and B. H. Breithaupt. 2006. The nonmammalian vertebrate microfossil assemblages of the Mesaverde Formation (Upper Cretaceous, Campanian) of the Wind River and Bighorn Basins, Wyoming. In S. G. Lucas and R. M. Sullivan (eds.), Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:33-54 [M. Carrano/M. Carrano] |