DMNH locality 2560 Gars Galore: Puercan, Colorado

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
Hutchison and Holroyd 2003
Reptilia
Compsemys victa (Leidy 1856)
Hutchison and Holroyd 2003
Mammalia - Procreodi - Arctocyonidae
Maiorana sp. Van Valen 1978
Protungulatum donnae Sloan and Van Valen 1965
Baioconodon nordicus (Jepsen 1930)
Oxyprimus sp. Van Valen 1978
Mammalia - Periptychidae
Ampliconus browni Eberle and Lillegraven 1998
Mammalia
Thylacodon montanensis Williamson et al. 2012
Mammalia - Multituberculata - Neoplagiaulacidae
Neoplagiaulacidae indet. Ameghino 1890
Mesodma sp. Jepsen 1940
Mesodma ambigua Jepsen 1940
Mesodma hensleighi Lillegraven 1969
Mammalia - Multituberculata
Cimexomys minor Sloan and Van Valen 1965
see common names

Geography
Country:United States State/province:Colorado
Coordinates: 39.5° North, 104.7° West (view map)
Paleocoordinates:45.7° North, 82.5° West
Basis of coordinate:based on nearby landmark
Time
Period:Paleogene Epoch:Paleocene
Stage:Danian 10 m.y. bin:Cenozoic 1
Key time interval:Puercan
Age range of interval:66.00000 - 63.80000 m.y. ago
Stratigraphy
Formation:Denver
Stratigraphy comments: Denver Formation (D1 sequence); nine meters stratigraphically above the K–Pg boundary and approximately three meters below DMNH loc. 2557
Lithology and environment
Primary lithology: sandstone
Lithology description: The deposit ion of sediment s and a s sociated microvertebrate materials at DMNH loc. 2560 are represented by two episodes of downcutting fluvial activity, each consisting of a >1 m-thick package of fine- to medium-grained sand and silt.
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils,microfossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:DMNH
Metadata
Database number:176863
Authorizer:P. Holroyd Enterer:P. Holroyd
Modifier:P. Holroyd Research group:vertebrate
Created:2016-03-05 23:09:00 Last modified:2016-12-05 20:14:29
Access level:the public Released:2016-03-05 23:09:00
Creative Commons license:CC BY
Reference information

Primary reference:
61136. E.L. Dahlberg, J.J. Eberle, J.J.W. Sertich and I.M. Miller. 2016. A new earliest Paleocene (Puercan) mammalian fauna from Colorado's Denver Basin, U.S.A. Rocky Mountain Geology 51(1):1-22 [P. Holroyd/P. Holroyd/P. Holroyd]

Secondary references:

26071 J. H. Hutchison and P. A. Holroyd. 2003. Late Cretaceous and early Paleocene turtles of the Denver Basin, Colorado. Rocky Mountain Geology 38(1):121-142 [P. Holroyd/P. Holroyd]