Anxiety Butte (SMNH 72F10-0049): Whitneyan - Monroecreekian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Canidae
? Hesperocyon sp. Scott 1890
Mammalia - Leptomerycidae
Leptomeryx sp. Leidy 1853
Storer 1996
Mammalia - Agriochoeridae
Agriochoerus sp. Leidy 1850
Storer 1996
Mammalia - Protoceratidae
Protoceras celer Marsh 1891
Storer 1996
Mammalia - Anthracotheriidae
Elomeryx armatus (Marsh 1894)
Mammalia - Entelodontidae
Archaeotherium zygomaticum (Troxell 1920)
    = Megachoerus cf. zygomaticus Troxell 1920
Storer 1996
Mammalia - Merycoidodontidae
Merycoidodon (Anomerycoidodon) sp. Schultz and Falkenbach 1968
Mammalia - Camelidae
Poebrotherium sp. Leidy 1847
Storer 1996
Mammalia - Perissodactyla - Equidae
Miohippus sp. Marsh 1874
Miohippus cf. intermedius (Osborn and Wortman 1895)
Storer 1996
Miohippus assiniboiensis (Lambe 1905)
Mammalia - Perissodactyla - Rhinocerotidae
Diceratherium armatum Marsh 1875
Subhyracodon sp. Wood 1927
Storer 1996
Mammalia - Lagomorpha - Leporidae
Palaeolagus cf. burkei Schlaikjer 1935
Storer 1996
see common names

Geography
Country:Canada State/province:Saskatchewan
Coordinates: 49.8° North, 109.0° West (view map)
Paleocoordinates:50.9° North, 101.9° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Oligocene
Stage: Rupelian - Chattian 10 m.y. bin: Cenozoic 4
*Period:Tertiary *Local age/stage:Whitneyan - Early/Lower Arikareean
Key time interval: Whitneyan - Monroecreekian
Age range of interval: 31.8 - 23.1 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Cypress Hills
Stratigraphy comments: said to be Whitneyan to early Arikareean = Geringian or Monroecreekian
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:additional records of Storer 1996 are from three localities at this stratigraphic level, one of them presumably being SMNH 72F10-0049
Metadata
Database number:17306
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1994-06-07 00:00:00 Last modified:2006-08-04 12:35:27
Access level:the public Released:1994-06-07 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
3319. J. E. Storer and H. N. Bryant. 1993. Biostratigraphy of the Cypress Hills Formation (Eocene to Miocene), Saskatchewan: equid types (Mammalia: Perissodactyla) and associated faunal assemblages. Journal of Paleontology 67(4):660-669 [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

3318 J. E. Storer. 1996. Eocene-Oligocene faunas of the Cypress Hills Formation, Saskatchewan. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 240-261 [J. Alroy/J. Alroy/J. Marcot]