Case Site 2 (DUPLICATE): Judithian, Wyoming
collected 1978

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Zhelestidae
Paranyctoides megakeros Lillegraven and McKenna 1986
synonym of Alostera saskatchewanensis
DELETE MEASUREMENT (1 measurement)
Mammalia - Alphadontidae
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/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 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]
17857ETE 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]