PBDB Collection

Leptarctus Quarry: Clarendonian, Nebraska

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Perissodactyla - Rhinocerotidae

	Teleoceras major Hatcher 1894	Prothero 2005

	Aphelops megalodus (Cope 1873)	Prothero 2005
Mammalia - Perissodactyla - Equidae

	Neohipparion affine (Leidy 1869)	MacFadden 1984

	Neohipparion trampasense (Edwards 1982)	Hulbert 1987

	Pseudhipparion skinneri Webb and Hulbert 1986	Hulbert 1989
	pers. commun.

	Calippus regulus Johnston 1937	Voorhies et al. 1987
	DUPLICATE REF 781 or 3519

	Calippus cerasinus (Hulbert 1988)	Hulbert 1988

	Protohippus cf. gidleyi Hulbert 1988	Hulbert 1989
	pers. commun.

	Hypohippus sp. (Leidy 1858)	Hussain 1975
	original and current combination Anchitherium (Hypohippus)
Mammalia - Palaeomerycidae

	Cranioceras granti n. sp. Frick 1937	Frick 1937
	= Cranioceras unicornis Matthew 1918	Alroy 2002
Mammalia - Antilocapridae

	Plioceros floblairi Frick 1937	Frick 1937
	"tentatively referred"
Mammalia - Tayassuidae

	Macrogenis sp. Wright 1993	Wright 1983
	new Leptarctus Quarry species; manuscript name is "M. skinneri"; see also Wright 1993, 1998
Mammalia - Merycoidodontidae

	Ustatochoerus major (Leidy 1858)	Schultz and Falkenbach 1941
	= Merychyus major Leidy 1858	Alroy 2002
	recombined as Ustatochoerus major
Mammalia - Carnivora - Nimravidae

	Barbourofelis morrisi n. sp. Schultz et al. 1970
	(1 measurement)
Mammalia - Carnivora - Canidae

	Aelurodon taxoides Hatcher 1894	Wang et al. 1999

	Paratomarctus euthos (McGrew 1935)	Wang et al. 1999

	Carpocyon robustus (Green 1948)	Wang et al. 1999

	Epicyon haydeni (Leidy 1858)	Baskin 1998
	confirmed by Wang et al. 1999

	Epicyon saevus (Leidy 1858)	Baskin 1998
	confirmed by Wang et al. 1999

	Leptocyon matthewi Tedford et al. 2009	Tedford et al. 2009
Mammalia - Carnivora - Mustelidae

	Leptarctus wortmani Matthew 1924	Korth and Baskin 2009
	F:AM 25154, 25172, and 25174
see common names

Geography

Country:	United States	State/province:	Nebraska	County:	Cherry
Coordinates:	42.8° North, 100.8° West (view map)
Paleocoordinates:	43.3° North, 98.2° West
Basis of coordinate:	based on political unit
Geographic resolution:	small collection

Time

Period:	Neogene	Epoch:	Miocene
10 m.y. bin:	Cenozoic 5-6
*Period:	Tertiary
Key time interval:	Clarendonian
Age range of interval:	12.50000 - 9.40000 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:	Ash Hollow	Member:	Merritt Dam
Local section:	ValAH	Local bed:	6
Local order:	bottom to top

Lithology and environment

Environment:

terrestrial indet.

Taphonomy

Modes of preservation:

body

Collection methods and comments

Collection excludes:	some genera
Taxonomic list comments:409 F:AM and "several" UCMP specimens: Skinner and Johnson 1984

Metadata

Database number:	18227
Authorizer:	J. Alroy, J. Marcot	Enterer:	J. Alroy, J. Marcot
Modifier:	J. Alroy	Research group:	vertebrate
Created:	1992-08-05 00:00:00	Last modified:	2007-08-25 19:20:36
Access level:	the public	Released:	1993-02-18 00:00:00
Creative Commons license:	CC BY

Reference information

Primary reference:

3077.

C. B. Schultz, M. Schultz, and L. D. Martin. 1970. A new Tribe of Saber-toothed cats (Barbourofelini) from the Pliocene of North America. Bulletin of the Nebraska State Museum 9(1):1-31 [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

6294		J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1032		J. A. Baskin. 1998. Evolutionary trends in the late Miocene hyena-like dog Epicyon (Carnivora, Canidae). National Science Museum Monographs 14:191-214 [J. Alroy/J. Alroy/M. Uhen]
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]
3850	5% 23520	R. C. Hulbert, Jr. 1987. Late Neogene Neohipparion (Mammalia, Equidae) from the Gulf Coastal Plain of Florida and Texas. Journal of Paleontology 61(4):809-830 [J. Alroy/M. Sommers/J. Alroy]
1949		R. C. Hulbert, Jr. 1988. Calippus and Protohippus (Mammalia, Perissodactyla, Equidae) from the Miocene (Barstovian-early Hemphillian) of the Gulf Coastal Plain. Bulletin of the Florida State Museum, Biological Sciences 32(3):221-340 [J. Alroy/J. Alroy/R. Hulbert]
1952		R. C. Hulbert, Jr. 1989. Phylogenetic Interrelationships and Evolution of North American Late Equidae. In D. R. Prothero and R. M. Schoch (eds.), The Evolution of Perissodactyls [J. Alroy/J. Alroy/M. Uhen]
6277		S. T. Hussain. 1975. Evolutionary and functional anatomy of the pelvic limb in fossil and recent Equidae (Perissodactyla, Mammalia). Anatomie, Histologie, Embryologie 4:179-222 [J. Alroy/J. Alroy/J. Alroy]
36420		W. W. Korth and J. A. Baskin. 2009. A new species of Leptarctus (Carnivora, Mustelidae) from the late Clarendonian (late Miocene) of Kansas. Annals of Carnegie Museum 78(1):29-44 [J. Alroy/J. Alroy]
6244		B. J. MacFadden. 1984. Systematics and phylogeny of Hipparion, Neohipparion, Nannippus, and Cormohipparion (Mammalia, Equidae) from the Miocene and Pliocene of the New World. Bulletin of the American Museum of Natural History 179(1):1-195 [J. Alroy/J. Alroy/J. Marcot]
51726		D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
3063		C. B. Schultz and C. H. Falkenbach. 1941. Ticholeptinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 79(1):1-105 [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]
781		M. R. Voorhies, J. A. Holman, and X.-X. Xu. 1987. The Hottell Ranch rhino quarries (basal Ogallala: medial Barstovian), Banner County, Nebraska. Part I: Geologic setting, faunal lists, lower vertebrates. Contributions to Geology, University of Wyoming 25(1):55-69 [J. Alroy/M. Sommers/P. Wagner]
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]
3773		D. B. Wright. 1983. Later Miocene Tayassuidae (Artiodactyla, Mammalia) of North America. University of Nebraska, M. S. thesis 1-350 [J. Alroy/J. Alroy/J. Sepkoski]