Sunset to Dawn Two (UW V-81076): Judithian, Wyoming
collected 1981
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Multituberculata
- Neoplagiaulacidae
|
||||||||||
Mesodma sp.
Jepsen 1940
|
||||||||||
Mammalia
- Alphadontidae
|
||||||||||
Alphadon attaragos n. sp.
Lillegraven and McKenna 1986
|
||||||||||
(1 measurement) | ||||||||||
Alphadon halleyi
Sahni 1972
|
||||||||||
includes "A. sahnii" (1 measurement) | ||||||||||
Alphadon russelli
Fox 1979
|
||||||||||
= Turgidodon russelli
Fox 1979
|
Alroy 2002 | |||||||||
Mammalia
|
||||||||||
Alphadon lulli
Clemens 1966
|
||||||||||
= Protalphadon lulli
Clemens 1966
|
Alroy 2002 | |||||||||
Reptilia
- Mosasauridae
|
||||||||||
Tylosaurinae indet.
Wiliston 1895
|
DeMar and Breithaupt 2006 | 1 specimen | ||||||||
UW 34832 | ||||||||||
Actinopteri
- Ichthyodectiformes
- Ichthyodectidae
|
||||||||||
Xiphactinus vetus
(Leidy 1856)
|
DeMar and Breithaupt 2006 | 1 specimen | ||||||||
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: | based on political unit | ||||
Altitude: | 1403 meters | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 | *Epoch: | Senonian |
Key time interval: | Judithian | ||
Age range of interval: | 83.50000 - 70.60000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Mesaverde |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | intraclastic,yellow poorly lithified 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 |
Degree of concentration: | concentrated |
Size of fossils: | mesofossils |
Preservation of anatomical detail: | good |
Disassociated major elements: | many |
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: | UW | Collection dates: | 1981 |
Taxonomic list comments:NISP 16 (based on catalog numbers) |
Metadata
Database number: | 14487 | ||
Authorizer: | J. Alroy, M. Carrano | Enterer: | J. Alroy, M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 1994-04-30 00:00:00 | Last modified: | 2010-12-09 16:08:24 |
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] | |
34478 | ETE | D. G. DeMar and B. H. Breithaupt. 2008. Terrestrial and aquatic vertebrate paleocommunities of the Mesaverde Formation (Upper Cretaceous, Campanian) of the Wind River and Bighorn Basins, Wyoming, USA. In J. T. Sankey & S. Baszio (ed.), Vertebrate Microfossil Assemblages: Their Role in Paleoecology and Paleobiogeography 78-103 [M. Carrano/M. Carrano/M. Carrano] |
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] |