Agate (5-7 Miles NE): Harrisonian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Erinaceidae
Brachyerix macrotis Matthew 1933
"5 to 7 miles... northeast of Agate" (formation unknown)
Mammalia - Camelidae
Michenia agatensis n. sp. Frick and Taylor 1971
Frick and Taylor 1971
from 6 mi NE of "former post office of Agate"; and second locality 5 mi NE of Agate (6 measurements)
Mammalia - Protoceratidae
Syndyoceras cooki Barbour 1905
Patton and Taylor 1971
"Lower... Marsland, 5 to 7 miles northeast of Agate"
Mammalia - Moschidae
Machaeromeryx tragulus n. sp. Matthew 1926
Frick 1937
"Upper Harrison Beds... 7 miles N.E. of Agate"; see also Matthew 1926
Mammalia - Merycoidodontidae
Merychyus verrucomalus Stevens 1970
Stevens 1970
"5-7 miles NE of Agate"
Merycochoerus matthewi Loomis 1924
Schultz and Falkenbach 1940
5 mi and 6 mi NE of Agate, "Marsland" Fm.
Mammalia - Carnivora - Canidae
Desmocyon thomsoni (Matthew 1907)
Wang et al. 1999
"low in section"
see common names

Geography
Country:United States State/province:Nebraska County:Sioux
Coordinates: 42.4° North, 103.8° West (view map)
Paleocoordinates:43.3° North, 98.8° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
*Period:Tertiary *Epoch:Miocene
Key time interval:Harrisonian
Age range of interval:24.80000 - 20.43000 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:bed
Stratigraphy comments: = Upper Harrison beds
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:taxonomic analysis
Taxonomic list comments:the American Museum "4 mi. N.E. of Agate" locality is the American Museum-Cook Quarry (see)
Metadata
Database number:17738
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:M. Carrano Research group:vertebrate
Created:1995-10-18 00:00:00 Last modified:2018-02-05 13:52:13
Access level:the public Released:1995-10-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2897. T. H. V. Rich. 1981. Origin and History of the Erinaceinae and Brachyericinae (Mammalia, Insectivora) in North America. Bulletin of the American Museum of Natural History 171(1):1-116 [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]
6222 C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen]
1550 C. Frick and B. E. Taylor. 1971. Michenia, a new protolabine (Mammalia, Camelidae) and a brief review of the early taxonomic history of the genus Protolabis. American Museum Novitates 2444:1-24 [J. Alroy/J. Alroy/J. Marcot]
2739 T. H. Patton and B. E. Taylor. 1971. The Synthetoceratinae (Mammalia, Tylopoda, Protoceratidae). Bulletin of the American Museum of Natural History 145(2):119-218 [J. Alroy/J. Alroy/B. Beatty]
3062 C. B. Schultz and C. H. Falkenbach. 1940. Merycochoerinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 77(5):213-306 [J. Alroy/J. Alroy/J. Marcot]
3222 M. S. Stevens. 1970. Merychyus verrucomalus, a new species of oreodont (Mammalia, Artiodactyla) from the Middle Miocene Runningwater Formation. American Museum Novitates 2425:1-11 [J. Alroy/J. Alroy/J. Marcot]
3558 X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]