Beardog Hill: Harrisonian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Amphicyonidae
Amphicyon superbus n. sp. Peterson 1907
Peterson 1907
specimen from Quarry 3 mentioned by Hunt 1977
Delotrochanter oryktes Hunt 2011
Hunt 2011
Mammalia - Carnivora - Mustelidae
Paroligobunis simplicidens n. sp. (Peterson 1907)
Peterson 1910
    = Megalictis ferox Matthew 1907
Hunt 1985
referred to as "Brachypsalis simplicidens" by Peterson 1907; includes M. sp. of Hunt and Skolnick 1990
Mammalia - Carnivora - Canidae
Nothocyon annectens n. sp. Peterson 1907
Peterson 1907
Quarry 3
see common names

Geography
Country:United States State/province:Nebraska County:Sioux
Coordinates: 42.4° North, 103.9° West (view map)
Paleocoordinates:43.3° North, 98.8° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
10 m.y. bin: Cenozoic 4-5
*Period:Tertiary - Tertiary *Epoch:Miocene - Miocene
Key time interval: Harrisonian
Age range of interval: 23.1 - 18.5 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Hemingford Formation:Marsland
Local section:PineR Local bed:14
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: ETE dating method: time_unit, ETE age comment: .
= Upper Harrison beds
Lithology and environment
Primary lithology: sandstone
Lithology description: ETE rock type adj: 0, ETE lithology comments: .
Environment:fluvial indet.
Geology comments: ETE sed env 1: fluvial, ETE sed env 2: . ETE event: flood, ETE env comment: .
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection size:1 specimens
Reason for describing collection:taphonomic analysis
Collection method comments: ETE Size: .; ETE reference list: 478, ; ETE museum list:
Metadata
Also known as:ETE Locality 1515, Agate Spring Quarry 3, Den Site
Database number:22641
Authorizer:A. Behrensmeyer, J. Marcot, J. Alroy Enterer:A. Behrensmeyer, J. Alroy, J. Marcot
Modifier:M. Carrano Research group:vertebrate
Created:2001-03-27 01:00:00 Last modified:2018-02-05 13:51:18
Access level:the public Released:2001-03-27 01:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

5678.ETE 1434R. M. Hunt. 1990. Taphonomy and sedimentology of Arikaree (lower Miocene) fluvial, eolian, and lacustrine paleoenvironments, Nebraska and Wyoming; a paleobiota entombed in fine-grained wolcaniclastic rocks,. In: Lockley, M.G. and Rice, A., eds. Volcanism and Fossil Biotas. Boulder, Colorado, Geological Society of America, Special Paper 244 69-111 [A. Behrensmeyer/A. Behrensmeyer/M. Kosnik]

Secondary references:

1971 R. M. Hunt, Jr. 1985. Faunal succession, lithofacies, and depositional environments in Arikaree rocks (lower Miocene) of the Hartville Table, Nebraska and Wyoming. Dakoterra 2(2):155-204 [J. Alroy/J. Alroy/J. Alroy]
52421 R. M. Hunt, Jr. 2011. Evolution of Large Carnivores During the Mid-Cenozoic of North America: The Temnocyonine Radiation (Mammalia, Amphicyonidae). Bulletin of the American Museum of Natural History 358:1-153 [J. Marcot/J. Marcot]
2751 O. A. Peterson. 1907. The Miocene Beds of Western Nebraska and Eastern Wyoming and Their Vertebrate Faunae. Annals of Carnegie Museum 4(3):21-72 [J. Alroy/J. Alroy/J. Marcot]
2754 O. A. Peterson. 1910. Description of new carnivores from the Miocene of western Nebraska. Memoirs of the Carnegie Museum 4(5):205-278 [J. Alroy/J. Alroy/J. Marcot]