Wagonroad Upper Horizon: Torrejonian, Utah

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Condylarthra - Hyopsodontidae
Promioclaenus cf. shepherdi (Gazin 1939)
    = Promioclaenus cf. lemuroides Matthew 1897
Alroy 2002
Mammalia - Periptychidae
Haploconus inopinatus Gazin 1939
    = Haploconus angustus Cope 1881
Alroy 2002
presumably the type of Gazin 1941
Mammalia - Procreodi - Arctocyonidae
Oxyclaenus pearcei Gazin 1941
    = Chriacus baldwini Cope 1882
Alroy 2002
Mammalia - Multituberculata - Taeniolabididae
Catopsalis utahensis Gazin 1939
    = Catopsalis fissidens Cope 1884
Alroy 2002
see common names

Geography
Country:United States State/province:Utah County:Emery
Coordinates: 39.0° North, 111.0° West (view map)
Paleocoordinates:46.0° North, 90.5° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Paleocene
Stage:Danian 10 m.y. bin:Cenozoic 1
*Period:Tertiary
Key time interval:Torrejonian
Age range of interval:63.30000 - 61.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:North Horn
Local section:NHorn Local bed:4
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: immediately above Dragon Canyon sensu stricto and close to the bottom of a reversed magnetic polarity zone interpreted as C27r, but there is no tie point in the section: see Lucas et al. 1997
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:87 m below upper contact of Fm.
firmly correlated using paleomag with Dragon Canyon
Metadata
Also known as:UALP 7733; Gidley's Locality 4, in part; Dragon Level at Wagonroad
Database number:14889
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1994-04-30 00:00:00 Last modified:2007-11-16 15:18:19
Access level:the public Released:1994-04-30 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3436. Y. Tomida and R. F. Butler. 1980. Dragonian mammals and Paleocene magnetic polarity stratigraphy, North Horn Formation, central Utah. American Journal of Science 280:787-811 [J. Alroy/J. Alroy/P. Mannion]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
2319 S. G. Lucas, T. E. Williamson, and M. D. Middleton. 1997. Catopsalis (Mammalia: Multituberculata) from the Paleocene of New Mexico and Utah: taxonomy and biochronological significance. Journal of Paleontology 71(3):484-492. [J. Alroy/J. Alroy/K. Maguire]