UCM locality 92179: Late/Upper Chadronian, Colorado

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Perissodactyla - Brontotheriidae
Megacerops sp. Leidy 1870
Worley-Georg and Eberle 2006
Mammalia - Perissodactyla - Equidae
Mesohippus sp. Marsh 1875
Worley-Georg and Eberle 2006
Mammalia - Protoceratidae
Protoceratidae indet. Marsh 1891
Lloyd et al. 2008
Pseudoprotoceras longinaris Cook 1934
Lloyd et al. 2008
Mammalia - Leptomerycidae
Leptomeryx sp. Leidy 1853
Worley-Georg and Eberle 2006
Mammalia - Talpidae
Oreotalpa florissantensis n. gen., n. sp. Lloyd and Eberle 2008
(3 measurements)
Mammalia - Soricidae
Domnina cf. thompsoni Simpson 1941
Worley-Georg and Eberle 2006
Mammalia - Geolabididae
Centetodon magnus (Clark 1936)
Worley-Georg and Eberle 2006
Mammalia - Rodentia - Ischyromyidae
Ischyromys (Titanotheriomys) cf. douglassi Black 1968
Worley-Georg and Eberle 2006
Ischyromys (Ischyromys) cf. typus Leidy 1856
Worley-Georg and Eberle 2006
Mammalia - Rodentia - Eomyidae
Adjidaumo minimus (Matthew 1903)
Worley-Georg and Eberle 2006
Paradjidaumo trilophus (Cope 1873)
Lloyd et al. 2008
recombined as Adjidaumo trilophus
Mammalia - Rodentia - Eutypomyidae
Eutypomys parvus Lambe 1908
Worley-Georg and Eberle 2006
Mammalia - Rodentia - Aplodontidae
Pelycomys sp. Galbreath 1953
Lloyd et al. 2008
Pelycomys informal sp. A Galbreath 1953
Worley-Georg and Eberle 2006
Mammalia - Lagomorpha - Leporidae
Palaeolagus sp. Leidy 1856
Lloyd et al. 2008
Megalagus brachydon
Worley-Georg and Eberle 2006
see common names

Geography
Country:United States State/province:Colorado County:Teller
Coordinates: 38.9° North, 105.3° West (view map)
Paleocoordinates:40.4° North, 97.0° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Priabonian 10 m.y. bin:Cenozoic 3
Key time interval:Late/Upper Chadronian
Age range of interval:37.00000 - 33.90000 m.y. ago
Stratigraphy
Formation:Florissant
Stratigraphic resolution:bed
Stratigraphy comments: "upper Eocene (Chadronian)" and in the "lower mudstone unit... at the 29-meter level" of Evanoff et al. 2001
Lithology and environment
Primary lithology: mudstone
Lithology description: "mudstone"
Environment:"channel"
Geology comments: unit "is interpreted as representing stream deposits"
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:some genera
Collection methods:bulk,sieve
Reason for describing collection:taxonomic analysis
Museum repositories:UCM
Collection method comments: material was "recovered through dry-screening" and reposited at UCM in collections owned by the Florissant Fossil Beds National Monument
other mammals surely present but not discussed
Taxonomic list comments:possibly the same as the Florissant mammal bed (collection 16968)
Metadata
Also known as:Florissant
Database number:85117
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:A. Delelli Research group:vertebrate
Created:2008-11-29 12:21:20 Last modified:2012-05-04 00:53:03
Access level:the public Released:2008-11-29 12:21:20
Creative Commons license:CC BY
Reference information

Primary reference:
28620. K. J. Lloyd and J. J. Eberle. 2008. A new talpid from the late Eocene of North America. Acta Palaeontologica Polonica 53(3):539-543 [J. Alroy/J. Alroy]

Secondary references:

51443 K. J. Lloyd, M. P. Worley-Georg, and J. J. Eberle. 2008. The Chadronian mammalian fauna of the Florissant Formation, Florissant Fossil Beds National Monument, Colorado. In H. W. Meyer, D. M. Smith (eds.), Paleontology of the Upper Eocene Florissant Formation, Colorado 435:117-126 [J. Marcot/J. Marcot]
51444 M. P. Worley-Georg and J. J. Eberle. 2006. Additions to the Chadronian Mammalian Fauna, Florissant Formation, Florissant Fossil Beds National Monument, Colorado. Journal of Vertebrate Paleontology 26(3):685-696 [J. Marcot/J. Marcot]