Stenomylus Quarry ( of the United States)

Also known as Amherst Quarry

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.3° N, 98.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Harrison Formation, Harrisonian (24.8 - 20.4 Ma)

Environment/lithology: terrestrial

Primary reference: F. B. Loomis. 1910. Osteology and affinities of the genus Stenomylus. American Journal of Science 179:297-323 [J. Alroy/J. Alroy]more details

PaleoDB collection 17845: authorized by John Alroy, entered by John Alroy on 26.07.1994, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• said by some authors to be 2 mi E of Agate Springs Quarry
from the Harrison sensu stricto: Hunt 1985a
not the same as Galusha Stenomylus Quarry of Coombs and Coombs 1997
NISP about 42
see also Peterson 1911b
Aves
 Accipitriformes - Accipitridae
Palaeastur atavus n. gen. n. sp.5 Wetmore 1943 hawk
H. J. Cook collection, collector G. E. Meade
Buteo typhoius4 Wetmore 1923 hawk
H. J. Cook collection
Mammalia
 Carnivora - Amphicyonidae
Delotrochanter oryktes n. sp.1 Hunt 2011 bear-dog
obliquely referred to by Peterson 1910 as from "two miles east of the Agate Spring Fossil Quarries"; one skeleton according to Loomis
 Perissodactyla - Equidae
Kalobatippus sp.2 Osborn 1915 anchitheriine horse
 Perissodactyla - Rhinocerotidae
Menoceras arikarense3 Barbour 1906 rhinoceros
"Diceratherium": number of specimens not clear
 Artiodactyla - Camelidae
Stenomylus hitchcocki n. sp. Loomis 1910 camel
35 specimens are mentioned by Loomis, who then states that there are "not less than forty skeletons"; see also Frick 1937
 Artiodactyla - Entelodontidae
"Daeodon minor n. sp." = Dinohyus hollandi
"Daeodon minor n. sp." = Dinohyus hollandi Peterson 1905 even-toed ungulate