East Ravine Quarry: Hemingfordian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Canidae
Leptocyon leidyi Tedford et al. 2009
Tedford et al. 2009
Mammalia - Perissodactyla - Rhinocerotidae
Teleoceras americanum (Yatkola and Tanner 1979)
Prothero 2005
Mammalia - Perissodactyla - Chalicotheriidae
Moropus sp. Marsh 1877
    = Tylocephalonyx skinneri Coombs 1979
Coombs 1979
Mammalia - Merycoidodontidae
Merychyus relictus (Matthew and Cook 1909)
Schultz and Falkenbach 1947
see common names

Geography
Country:United States State/province:Nebraska County:Sioux
Coordinates: 42.4° North, 103.8° West (view map)
Paleocoordinates:43.1° North, 99.9° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
Stage:Burdigalian 10 m.y. bin:Cenozoic 5
*Period:Tertiary
Key time interval:Hemingfordian
Age range of interval:18.50000 - 16.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Sheep Creek Member:middle
Local section:Snake Local bed:2
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:17902
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:J. Alroy Research group:vertebrate
Created:1994-04-30 00:00:00 Last modified:2006-09-13 00:27:33
Access level:the public Released:1994-04-30 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
3175. M. F. Skinner, S. M. Skinner, and R. J. Gooris. 1977. Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the American Museum of Natural History 158(5):263-370 [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

1275 M. C. Coombs. 1979. Tylocephalonyx, a new genus of North American dome-skulled chalicotheres (Mammalia, Perissodactyla). Bulletin of the American Museum of Natural History 164(1):1-64 [J. Alroy/J. Alroy/M. Uhen]
2189 W. D. Kuenzi and R. W. Fields. 1971. Tertiary Stratigraphy, Structure, and Geologic History, Jefferson Basin, Montana. Geological Society America Bulletin 82(12):3373-3394 [J. Alroy/J. Alroy/J. Marcot]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
3064 C. B. Schultz and C. H. Falkenbach. 1947. Merychyinae, a subfamily of oreodonts. Bulletin of the American Museum of Natural History 88(4):157-286 [J. Alroy/J. Alroy/J. Marcot]
52058 R. H. Tedford, X. Wang, and B. E. Taylor. 2009. Phylogenetic Systematics of the North American Fossil Caninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 325:1-218 [J. Marcot/J. Marcot/G. Lloyd]