McKeever Ranch, Harley's Point: Pu1, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Acipenseriformes - Acipenseridae
Acipenseridae indet. Bonaparte 1831
Wilson Mantilla et al. 2021
Amphibia - Temnospondyli - Urodela
Scapherpeton sp. Cope 1876
Wilson Mantilla et al. 2021
Amphibia - Temnospondyli - Albanerpetontidae
Albanerpeton sp. Estes and Hoffstetter 1976
Wilson Mantilla et al. 2021
Mammalia - Primates - Purgatoriidae
Purgatorius janisae Van Valen 1994
Wilson Mantilla et al. 2021
UCMP 150018 and 192398
Purgatorius mckeeveri Wilson Mantilla et al. 2021
Wilson Mantilla et al. 2021
UCMP 150021
Mammalia - Procreodi - Arctocyonidae
Protungulatum donnae Sloan and Van Valen 1965
Wilson Mantilla et al. 2021
Mimatuta minuial Van Valen 1978
(1 measurement)
Mammalia - Groeberida
Thylacodon montanensis Williamson et al. 2012
Wilson Mantilla et al. 2021
Reptilia
Compsemys sp. Leidy 1856
Wilson Mantilla et al. 2021
Reptilia - Testudines - Chelydridae
Chelydridae indet. (Swainson 1839)
Wilson Mantilla et al. 2021
Reptilia - Testudines - Trionychidae
Trionychidae indet. (Gray 1825)
Wilson Mantilla et al. 2021
Reptilia - Chamopsiidae
Chamopsiidae indet. (Denton and O'Neill 1995)
Wilson Mantilla et al. 2021
Reptilia
Crocodylia indet. (Owen 1842)
Wilson Mantilla et al. 2021
Theropoda indet. (Marsh 1881)
Wilson Mantilla et al. 2021
Tooth of a theropod dinosaur - presumably reworked
Reptilia - Champsosauridae
Champsosauridae indet. Cope 1876
Wilson Mantilla et al. 2021
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825
Wilson Mantilla et al. 2021
Actinopteri - Amiiformes - Amiidae
Amiidae indet. Huxley 1861
Wilson Mantilla et al. 2021
Actinopteri
Teleostei indet. (Müller 1846)
Wilson Mantilla et al. 2021
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
*Period:Tertiary
Key time interval:Pu1
Age range of interval:66.00000 - 63.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Fort Union Member:Tullock
Stratigraphic resolution:bed
Stratigraphy comments: early Puercan (Pu1), lowermost Palaeocene Tullock Member, Fort Union Formation
Lithology and environment
Primary lithology: silty sandstone
Includes fossils?Y
Environment:fine channel fill
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
Taxonomic list comments:same paleomag as McKeever Ranch 1
Metadata
Also known as:UCMP V-77087, V77087
Database number:14762
Authorizer:J. Alroy, P. Mannion Enterer:J. Alroy, P. Mannion
Modifier:P. Mannion Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2021-02-24 11:35:58
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

960. J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]

Secondary references:

75725 G. P. Wilson Mantilla, S. G. B. Chester, W. A. Clemens, J. R. Moore, C. J. Sprain, B. T. Hovatter, W. S. Mitchell, W. W. Mans, R. Mundil and P. R. Renne. 2021. Earliest Palaeocene purgatoriids and the initial radiation of stem primates. Royal Society Open Science 8:210050:1-10 [P. Mannion/P. Mannion]