PBDB Collection

Stage Hill I ( of the United States)

Also known as Millenium's End Quarry; UNSM Sf-105; Wildcat Ridge

Where: Scotts Bluff County, Nebraska (41.7° N, 103.7° W: paleocoordinates 42.6° N, 98.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Wildcat Hills Beds Formation (Arikaree Group), Harrisonian (24.8 - 18.5 Ma)

• "late late Arikareean" (= Harrisonian)

•"upper Arikaree Group"

• group of beds-level stratigraphic resolution

Environment/lithology: "channel"; sandstone and conglomerate

• "fluvial channel fill" (Hunt 2002)

• "epiclastic sand and gravel" within a "crossbedded sand and gravel" sequence

Size class: macrofossils

Reposited in the UNSM

Collection methods: quarrying,

Primary reference: B. E. Bailey. 2004. Biostratigraphy and biochronology of early Arikareean through late Hemingfordian small mammal faunas from the Nebraska Panhandle and adjacent areas. Paludicola 4(3):81-113 [J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 28043: authorized by John Alroy, entered by John Alroy on 21.01.2003, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• fauna apart from mammals not discussed

Show authors, comments, and common names

Mammalia
Carnivora - Amphicyonidae	Ysengrinia americana¹ Ysengrinia americana¹ Wortman 1901 bear-dog presumably Ysengrinia sp. of Bailey 2004
Carnivora - Ursidae	Cephalogale sp. Cephalogale sp. Jourdan 1862 bear
Carnivora - Mustelidae	Zodiolestes sp. Zodiolestes sp. Riggs 1942 mustelid carnivore
Carnivora - Canidae	Phlaocyon sp., Cynarctoides acridens, cf. Desmocyon sp. Phlaocyon sp. Matthew 1899 bone-crushing dog said to be new Cynarctoides acridens Barbour and Cook 1914 bone-crushing dog cf. Desmocyon sp. Wang et al. 1999 bone-crushing dog said to be new
Carnivora - Palaeogalidae	Palaeogale sp. Palaeogale sp. von Meyer 1846 carnivoran
Artiodactyla - Tayassuidae	Hesperhys sp. Hesperhys sp. Douglass 1903 peccary
Artiodactyla - Protoceratidae	Syndyoceras cooki Syndyoceras cooki Barbour 1905 protoceratid
Artiodactyla - Dromomerycidae	Barbouromeryx sp. Barbouromeryx sp. Frick 1937 ruminant said to be new
Artiodactyla - Moschidae	Pseudoblastomeryx advena³ Pseudoblastomeryx advena³ Matthew 1907 musk deer
Artiodactyla - Anthracotheriidae	Arretotherium acridens Arretotherium acridens Douglass 1902 anthracothere
Artiodactyla - Camelidae	Michenia sp., Oxydactylus sp. Michenia sp. Frick and Taylor 1971 camel Oxydactylus sp. Peterson 1904 camel
Artiodactyla - Merycoidodontidae	"Merychyus cf. siouxensis" = Paramerychyus harrisonensis "Merychyus cf. siouxensis" = Paramerychyus harrisonensis Peterson 1907 oreodont
Perissodactyla - Equidae	Archaeohippus sp., Parahippus sp., Kalobatippus agatensis Archaeohippus sp. Gidley 1906 anchitheriine horse Parahippus sp. Leidy 1858 anchitheriine horse Kalobatippus agatensis Osborn 1918 anchitheriine horse
Perissodactyla - Chalicotheriidae	Moropus sp. Moropus sp. Marsh 1877 chalicothere
Perissodactyla - Tapiridae	Miotapirus harrisonensis Miotapirus harrisonensis Schlaikjer 1937 tapir
Perissodactyla - Rhinocerotidae	cf. Menoceras sp. cf. Menoceras sp. Troxell 1921 rhinoceros
Soricomorpha - Soricidae	Pseudotrimylus sp. Pseudotrimylus sp. Gureev 1971 shrew
Tribosphenida - Erinaceidae	Parvericius sp. Parvericius sp. Koerner 1940 hedgehog
Lagomorpha - Leporidae	Archaeolagus sp. Archaeolagus sp. Dice 1917 rabbit
Rodentia - Cricetidae	Leidymys sp. Leidymys sp. Wood 1936 rodent
Rodentia - Heteromyidae	Mookomys sp. Mookomys sp. Wood 1931 rodent
Rodentia - Castoridae	Palaeocastor sp., Priusaulax browni n. sp.² Palaeocastor sp. Leidy 1869 beaver Priusaulax browni n. sp.² Korth and Bailey 2006 beaver said to be new
Rodentia - Allomyidae	Alwoodia sp. Alwoodia sp. Rensberger 1983 rodent

¹Hunt 2002; ²Korth and Bailey 2006; ³Prothero 2008