PBDB Collection

Myers Farm: Barstovian, Nebraska

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Proboscidea - Mammutidae

	Zygolophodon sp. (Vacek 1877)	Voorhies 1990
Mammalia - Proboscidea - Gomphotheriidae

	Gomphotherium cf. osborni (Barbour 1916)	Voorhies 1990
	= Gomphotherium cf. willistoni Barbour 1914	Alroy 2002
	synonym of Trilophodon osborni
Mammalia - Chiroptera - Vespertilionidae

	Vespertilionidae indet. Gray 1821	Voorhies 1990
	a bat
Mammalia - Perissodactyla - Equidae

	Calippus placidus (Leidy 1869)	Voorhies 1990

	Neohipparion republicanus (Osborn 1918)	Voorhies 1990
	= Hipparionini indet. Quinn 1955	Alroy 2002

	Anchitherium sp. von Meyer 1844	Voorhies 1990
	= Anchitheriinae indet. Leidy 1869	Alroy 2002
	original and current combination Anchitheridae

	Hypohippus osborni Gidley 1907	Voorhies 1990

	Parahippus cognatus (Leidy 1858)	Voorhies 1990
Mammalia - Perissodactyla - Rhinocerotidae

	Teleoceras cf. medicornutum Osborn 1904	Voorhies 1990
	= Teleoceras sp. Hatcher 1894	Alroy 2002
	status unclear in light of Mead 1999b

	Peraceras cf. crassus (Leidy 1858)	Voorhies 1990
	= Peraceras cf. superciliosum Cope 1880	Alroy 2002
	original and current combination Peraceras superciliosus
Mammalia - Perissodactyla - Tapiridae

	Tapiravus polkensis Olsen 1960	Voorhies 1990
	(1 measurement)
	= Tapirus cf. polkensis Olsen 1960	Alroy 2002
Mammalia - Protoceratidae

	Prosynthetoceras sp. (Frick 1937)	Voorhies 1990
	original and current combination Synthetoceras (Prosynthetoceras)
Mammalia - Antilocapridae

	Merycodus sp. Leidy 1854	Voorhies 1990
	= Merycodontinae indet. Matthew 1904	Alroy 2002

	Ramoceros cf. osborni (Matthew 1904)	Voorhies 1990
Mammalia - Moschidae

	Longirostromeryx blicki Frick 1937	Voorhies 1990
	synonym of Longirostromeryx wellsi
Mammalia - Leptomerycidae

	Pseudoparablastomeryx francescita (Frick 1937)	Voorhies 1990
Mammalia - Palaeomerycidae

	Cranioceras skinneri Frick 1937	Voorhies 1990
	= Procranioceras skinneri Frick 1937	Alroy 2002
Mammalia - Camelidae

	Procamelus occidentalis Leidy 1858	Voorhies 1990
Mammalia - Merycoidodontidae

	Ustatochoerus medius (Leidy 1858)	Voorhies 1990
	= Merychyus medius Leidy 1858	Alroy 2002
	recombined as Ustatochoerus medius
Mammalia - Tayassuidae

	Dyseohyus xiphodonticus (Barbour 1925)	Voorhies 1990
	= Prosthennops xiphodonticus Barbour 1925	Alroy 2002
	recombined as Stirtonhyus xiphodonticus
Mammalia - Carnivora - Ursidae

	Ursavus sp. Schlosser 1899	Voorhies 1990
	= Ursavus cf. brevirhinus Hofmann 1887	Hunt 1998
Mammalia - Carnivora - Mustelidae

	Plionictis ogygia (Matthew 1901)	Voorhies 1990

	Leptarctus cf. bozemanensis (Dorr 1954)	Voorhies 1990
	(4 measurements)
	= Leptarctus martini n. sp. Lim and Miao 2000	Lim and Miao 2000
	locality given as "Webster County, Nebraska. Devil's Gulch Member of Valentine Formation"

	cf. Parataxidea sp. Zdansky 1924	Voorhies 1990
Mammalia - Carnivora - Mephitidae

	Pliogale sp. Hall 1930	Voorhies 1990
Mammalia - Carnivora - Procyonidae

	Probassariscus antiquus (Matthew and Cook 1909)	Voorhies 1990
	original and current combination Bassariscus antiquus

	Arctonasua sp. Baskin 1982	Voorhies 1990
Mammalia - Carnivora - Amphicyonidae

	Amphicyonidae indet. Haeckel 1886	Voorhies 1990
Mammalia - Carnivora - Canidae

	Leptocyon vafer (Leidy 1858)	Voorhies 1990

	Cynarctus saxatilis Matthew 1902	Voorhies 1990
	confirmed by Wang et al. 1999

	Tomarctus temerarius (Leidy 1858)	Voorhies 1990
	= Paratomarctus temerarius Leidy 1858	Alroy 2002
	confirmed by Wang et al. 1999

	Aelurodon ferox Leidy 1858	Voorhies 1990
Mammalia - Talpidae

	Domninoides valentinensis Reed 1962	Voorhies 1990

	Achlyoscapter sp. Hutchison 1968	Voorhies 1990

	Mystipterus sp. Hall 1930	Voorhies 1990
Mammalia - Plesiosoricidae

	Plesiosorex donroosai Green 1977	Voorhies 1990
Mammalia - Soricidae

	Alluvisorex sp. Hutchison 1966	Voorhies 1990
Mammalia - Erinaceidae

	Metechinus amplior Rich 1981	Voorhies 1990

	? Lanthanotherium sp. (Filhol 1888)	Voorhies 1990
	original and current combination Lantanotherium

	Parvericius montanus Koerner 1940	Voorhies 1990

	Untermannerix copiosus Rich 1981	Voorhies 1990
Mammalia - Lagomorpha - Ochotonidae

	Russellagus vonhofi Storer 1970	Voorhies 1990
Mammalia - Lagomorpha - Leporidae

	Hypolagus sp. Dice 1917	Voorhies 1990
	= Archaeolaginae indet.	Alroy 2002
Mammalia - Rodentia - Mylagaulidae

	Mylagaulus cf. monodon Cope 1881	Voorhies 1990
	= Mylagaulidae indet. Cope 1881	Korth 2000
Mammalia - Rodentia - Sciuridae

	Protospermophilus sp. Gazin 1930	Voorhies 1990

	Eutamias sp. Trouessart 1880	Voorhies 1990
	= Tamiini indet.	Alroy 2002
	synonym of Marmotini

	Blackia sp. Mein 1970	Voorhies 1990

	Sciuropterus sp. Cuvier 1825	Voorhies 1990
	= Petauristodon sp. Engesser 1979	Alroy 2002
Mammalia - Rodentia

	Mookomys sp. Wood 1931	Voorhies 1990
	= Geomyoidea indet. Bonaparte 1845	Alroy 2002
Mammalia - Rodentia - Heteromyidae

	Cupidinimus nebraskensis Wood 1935	Voorhies 1990
Mammalia - Rodentia - Castoridae

	Monosaulax curtus (Matthew and Cook 1909)	Voorhies 1990
	= Temperocastor valentinensis Stout 1999	Korth 2008

	Eucastor tortus (Leidy 1858)	Voorhies 1990

	Monosaulax pansus (Cope 1874)	Voorhies 1990

	Hystricops sp. (Leidy 1858)	Voorhies 1990
	original and current combination Hystrix (Hystricops)

	Anchitheriomys sp. Roger 1885	Voorhies 1990
Mammalia - Rodentia - Zapodidae

	Miosicista angulus n. sp. Korth 1993	Korth 1993

	Schaubeumys cartomylos Korth 1987	Voorhies 1990
Mammalia - Rodentia - Cricetidae

	Tregomys sp. Wilson 1968	Voorhies 1990
	synonym of Copemys

	Copemys niobrariensis (Hoffmeister 1959)	Voorhies 1990
	synonym of Copemys longidens
Reptilia - Colubridae

	cf. Thamnophis sp. Fitzinger 1843		156 specimens
	156 trunk vertebrae, UNSM 46511

	cf. Natrix sp. Laurenti 1768		53 specimens
	53 trunk vertebrae, UNSM 46510

	Paleoheterodon tiheni Holman 1964		2 individuals
	"A large portion of a single individual, UNSM 46504..; and 22 vertebrae, probably from another single individual, UNSM 46513"

	Elaphe nebraskensis Holman 1964		40 specimens
	"Forty trunk vertebrae, UNSM 46505; and vertebrae and ribs from a small individual in a block of matrix, UNSM 46512"

	Salvadora paleolineata Holman 1973		165 specimens
	"One hundred and forty-four trunk vertebrae, UNSM 46500; and 19 trunk vertebrae from a single large individual, UNSM 46501,"

	Nebraskophis skinneri Holman 1973		1 specimen
	Trunk vertebra, UNSM 46503

	Neonatrix elongata Holman 1973		9 specimens
	Nine trunk vertebrae, UNSM 46509
Reptilia - Crotalidae

	cf. Crotalinae sp. Oppel 1811		17 specimens
	spelled with current rank as Crotalidae
	"Three fangs, 2 cervical, and 12 trunk vertebrae, UNSM 46508"
Reptilia - Elapidae

	Micrurus sp. Wagler 1824		24 specimens
	24 trunk vertebrae, UNSM 46502
Reptilia - Boidae

	Pterygoboa miocenica Holman 1976		109 specimens
	Four cervical, 76 trunk, 28 caudal vertebrae, UNSM 46506

	Geringophis depressus Holman 1976		92 specimens
	Five cervical, 86 trunk, 1 caudal vertebrae, UNSM 46507
Reptilia - Testudines - Chelydridae

	Macroclemys sp. (Gray 1856)	Holman and Corner 1985
	original and current combination Macrochelys
Reptilia - Testudines - Trionychidae

	Trionyx sp. Geoffroy Saint-Hilaire 1809	Holman and Corner 1985
	compared to T. quinni
	= Trionychidae indet. Gray 1825	Alroy 2006
Reptilia - Testudines - Emydidae

	Emydidae indet. Rafinesque 1815	Holman and Corner 1985

	Terrapene sp. Merrem 1820	Holman and Corner 1985
	= Terrapene corneri n. sp. Holman and Fritz 2005	Holman and Fritz 2005
Reptilia - Testudines - Testudinidae

	Geochelone cf. orthopygia (Cope 1878)	Holman and Corner 1985
	recombined as Hesperotestudo orthopygia

	Geochelone sp. Fitzinger 1835	Holman and Corner 1985
	small
see common names

Geography

Country:	United States	State/province:	Nebraska	County:	Webster
Coordinates:	40.0° North, 98.5° West (view map)
Paleocoordinates:	40.8° North, 95.3° West
Basis of coordinate:	stated in text
Geographic resolution:	small collection

Time

Period:	Neogene	Epoch:	Miocene
10 m.y. bin:	Cenozoic 5
*Period:	Late/Upper Tertiary	*Epoch:	Middle Miocene
*Local age/stage:	Late/Upper Barstovian
Key time interval:	Barstovian
Age range of interval:	16.30000 - 12.50000 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:	Valentine
Stratigraphic resolution:	member

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 methods:	bulk,sieve
Reason for describing collection:	general faunal/floral analysis
Museum repositories:	UNSM
Taxonomic list comments:Corner 1976 gives separate lists for 4 levels

Metadata

Also known as:	UNSM Wt-15A
Database number:	18275
Authorizer:	J. Alroy, J. Head	Enterer:	J. Alroy, J. Head
Modifier:	J. Head	Research group:	vertebrate
Created:	1992-08-05 00:00:00	Last modified:	2012-10-22 18:24:20
Access level:	the public	Released:	1992-08-05 00:00:00
Creative Commons license:	CC BY

Reference information

Primary reference:

7383.

J. A. Holman. 1977. Upper Miocene snakes (Reptilia, Serpentes) from Southeastern Nebraska. Journal of Herpetology 11(3):323-335 [J. Head/J. Head/J. Alroy]

Secondary references:

6294		J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
18120		J. Alroy. 2006. Synonymies and reidentifications of North American fossil vertebrates. [J. Alroy/J. Alroy/J. Alroy]
725		J. A. Holman and R. G. Corner. 1985. A Miocene Terrapene (Testudines: Emydidae) and other Barstovian turtles from south-central Nebraska. Herpetologica 41(1):88-93 [J. Alroy/M. Sommers/J. Alroy]
19370		J. A. Holman and U. Fritz. 2005. The box turtle genus Terrapene (Testudines: Emydidae) in the Miocene of the USA. Herpetological Journal 15:81-90 [J. Alroy/J. Alroy]
1976		R. M. Hunt, Jr. 1998. Ursidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 1:174-195 [J. Alroy/J. Alroy/M. Uhen]
2120		W. W. Korth. 1993. Miosicista angulus, a New Sicistine Rodent (Zapodidae, Rodentia) from the Barstovian (Miocene) of Nebraska. Transactions of the Nebraska Academy of Sciences 20:97-101 [J. Alroy/J. Alroy/M. Uhen]
2143		W. W. Korth. 2000. Review of Miocene (Hemingfordian to Clarendonian) mylagaulid rodents (Mammalia) from Nebraska. Annals of Carnegie Museum 69(4):227-280 [J. Alroy/J. Alroy/J. Marcot]
31435		W. W. Korth. 2008. Cranial morphology, systematics and succession of beavers from the middle Miocene Valentine Formation of Nebraska, USA. Acta Palaeontologica Polonica 53(2):169-182 [J. Alroy/J. Alroy]
6580		J.-D. Lim and D.-S. Miao. 2000. New species of Leptarctus (Carnivora, Mustelidae) from the Miocene of Nebraska, USA. Vertebrata PalAsiatica 38(1):52-57 [J. Alroy/J. Alroy/J. Alroy]
3510		M. R. Voorhies. 1990. Vertebrate biostratigraphy of the Ogallala Group in Nebraska. In T. C. Gustavson (ed.), Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains 115-151 [J. Alroy/J. Alroy/J. Marcot]