American Museum-Cook Quarry: Harrisonian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Palaeomerycidae
Blastomeryx cursor n. sp. Cook 1934
Cook 1934
"Upper Harrison... about four miles northeast of Agate"
    = Barbouromeryx trigonocorneus Barbour and Schultz 1934
Prothero 2008
"Beryl Taylor (notes in AMNH collections) showed that this specimen is not Blastomeryx, but probably the dromomerycid Barbouromeryx trigonocorneus."
Mammalia - Perissodactyla - Equidae
Equidae indet. Gray 1821
Hunt 1972
"Parahippus" of 1908 field note
Mammalia - Perissodactyla - Rhinocerotidae
Rhinocerotidae indet. Gray 1821
Hunt 1972
Mammalia - Perissodactyla - Chalicotheriidae
Moropus elatus Marsh 1877
Coombs 1978
Mammalia - Carnivora - Amphicyonidae
? Ysengrinia sp. Ginsburg 1965
Hunt 1972
    = Ysengrinia americana Wortman 1901
Hunt 2002
"Temnocyon" percussor Cook 1909
Hunt 1972
referred specimens
    = Temnocyon percussor Cook 1909
Hunt 2011
Daphoenodon periculosus Cook 1909
    = Daphoenodon superbus Peterson 1907
Alroy 2002
from "first mentioned quarry"
Cynelos sp. Jourdan 1862
Hunt 1972
omitted by Hunt 1998b
Mammalia - Carnivora - Mustelidae
Oligobunis lepidus Matthew 1907
    = Promartes cf. lepidus Matthew 1907
Alroy 2002
"new quarry mentioned first in this article"
Mammalia - Carnivora - Canidae
Cynarctus acridens n. sp. Barbour and Cook 1914
    = Cynarctoides acridens Barbour and Cook 1914
Barbour and Cook 1914
from "four miles northeast of Agate" in the "Upper Harrison beds"
Nothocyon sp. Wortman and Matthew 1899
    = Phlaocyon annectens Peterson 1907
Wang et al. 1999
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
10 m.y. bin:Cenozoic 4-5
*Period:Tertiary *Epoch:Miocene
Key time interval:Harrisonian
Age range of interval:23.10000 - 18.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Hemingford Formation:Marsland Member:Basal
Local section:PineR Local bed:14
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: "basal member of Upper Harrison Beds"
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:see Hunt 1985a for geological position
this is the same as "4 miles northeast of Agate postoffice" according to Hunt 1972
"Mesocyon venator" is NOT from this site: Stevens 1991
possibly relevant:
Tomarctus thompsoni from "Three miles northeast of Agate": Cook and Macdonald 1962
Aletomeryx marshi Frick 1937: "from the Harrison, three miles northeast of Agate"
Metadata
Also known as:Cook's "Pocket"
Database number:17744
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:M. Carrano Research group:vertebrate
Created:1993-09-27 00:00:00 Last modified:2018-02-05 13:49:46
Access level:the public Released:1993-09-27 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1261. H. J. Cook. 1908. A new genus of rhinoceros from Sioux County, Nebraska. Nebraska Geological Survey Bulletin 3(6):245-248 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
999 E. H. Barbour and H. J. Cook. 1914. Two new fossil dogs of the genus Cynarctus from Nebraska. Nebraska Geological Survey 4(15):225-227 [J. Alroy/J. Alroy/J. Marcot]
1268 H. J. Cook. 1934. New artiodactyls from the Oligocene and Lower Miocene of Nebraska. American Midland Naturalist 15(2):148-165 [J. Alroy/J. Alroy/J. Alroy]
1274 M. C. Coombs. 1978. Reevaluation of Early Miocene North American Moropus (Perissodactyla, Chalicotheriidae, Schizotheriinae). Bulletin of the Carnegie Museum of Natural History 4:1-62 [J. Alroy/J. Alroy/J. Marcot]
1966 R. M. Hunt, Jr. 1972. Miocene amphicyonids (Mammalia, Carnivora) from the Agate Spring Quarries, Sioux County, Nebraska. American Museum Novitates 2506:1-39 [J. Alroy/J. Alroy/J. Ju]
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]
51375 D. R. Prothero. 2008. Systematics of the musk deer (Artiodactyla: Moschidae: Blastomerycinae) from the Miocene of North America. In S. G. Lucas, G. S. Morgan, J. A. Spielmann, D. R. Prothero (eds.), Neogene Mammals 44:207-223 [J. Marcot/J. Marcot/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]