Morales 1: Puercan, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Cimolestidae
Procerberus formicarum Sloan and Van Valen 1965
Mammalia - Procreodi - Arctocyonidae
Mimatuta sp. Van Valen 1978
Mimatuta minuial Van Valen 1978
Oxyprimus erikseni Van Valen 1978
Baioconodon sp. Gazin 1941
Baioconodon engdahli (Archibald 1982)
Mammalia
Thylacodon montanensis Williamson et al. 2012
Mammalia - Multituberculata
Cimexomys minor Sloan and Van Valen 1965
Mammalia - Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940
Mesodma formosa (Marsh 1889)
Mesodma thompsoni Clemens 1964
Mesodma hensleighi Lillegraven 1969
Mammalia - Multituberculata - Eucosmodontidae
Stygimys kuszmauli Sloan and Van Valen 1965
Cimexomys gratus (Jepsen 1930)
see common names

Geography
Country:United States State/province:Montana County:Garfield
Coordinates: 47.6° North, 107.0° West (view map)
Paleocoordinates:53.9° North, 81.8° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Paleocene
Stage: Danian 10 m.y. bin: Cenozoic 1
Key time interval: Puercan Mammal zone:  Pu1
Age range of interval: 66 - 63.8 m.y. ago
Age estimate: 66.024 ± 0.044 to 65.973 ± 0.047 Ma (Ar/Ar)
Stratigraphy
Formation:Fort Union Member:Tullock
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:very fine sandstone
Includes fossils?Y
Lithology description: Subangular, very-fine-grained sandstone with rare fine to medium-sized grains
Environment:"channel"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:bulk,surface (float),sieve,field collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:UCMP,UWBM
Metadata
Also known as:UCMP locality V77128; UWBM locality C1671; UCMP V77128; UCMP V 77128; UWBM C1671; UWBM C 1671
Database number:231045
Authorizer:P. Mannion Enterer:P. Mannion
Modifier:P. Mannion Research group:vertebrate
Created:2023-08-02 04:51:48 Last modified:2023-08-02 04:54:48
Access level:the public Released:2023-08-02 04:51:48
Creative Commons license:CC BY
Reference information

Primary reference:
85522. J. R. Claytor, L. N. Weaver, T. S. Tobin and G. P. Wilson Mantilla. 2023. New mammalian local faunas from the first ca. 80 ka of the Paleocene in northeastern Montana and a revised model of biotic recovery from the Cretaceous–Paleogene mass extinction. Journal of Vertebrate Paleontology e2222777 [P. Mannion/P. Mannion]