PBDB Collection

Fox Canyon ( of the United States)

Also known as Rexroad Locality 4; UM-K1-47; XI Ranch

Where: Meade County, Kansas (37.2° N, 100.3° W: paleocoordinates 37.3° N, 99.7° W)

• coordinate based on political unit

When: upper Member (Rexroad Formation), Blancan (4.9 - 1.8 Ma)

Environment/lithology: terrestrial

Size class: mesofossils

Primary reference: C. W. Hibbard. 1950. Mammals of the Rexroad Formation from Fox Canyon, Kansas. Contributions from the Museum of Paleontology, University of Michigan 8(6):113-192 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 19931: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jason Head and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• slightly farther below level of "massive caliche zone" than is Keefe Canyon, which is considered temporally significant by Kurten and Anderson 1980

Show authors, comments, and common names

unclassified
-	Eumecoides hibbardi¹⁴, Eumecoides mylocoelus¹⁴ Eumecoides hibbardi¹⁴ Eumecoides mylocoelus¹⁴
Amphibia
Salientia - Pelobatidae	Spea sp.¹³ Spea sp.¹³ Cope 1866 spadefoot toad
Reptilia
Squamata - Teiidae	Cnemidophorus bilobatus⁶, Cnemidophorus sexlineatus⁶ Cnemidophorus bilobatus⁶ whiptail lizard Cnemidophorus sexlineatus⁶ Linnaeus 1766 six-lined racerunner
Squamata - Scincidae	Eumeces striatulus⁶ Eumeces striatulus⁶ skink
Squamata - Colubridae	Heterodon plionasicus⁵, Heterodon platyrhinos⁵, Thamnophis sp.⁵, Nerodia sp.², Pituophis catenifer⁵, Lampropeltis doliata⁵, Lampropeltis getulus⁵, Elaphe obsoleta⁵, Coluber constrictor⁵ Heterodon plionasicus⁵ Peters 1953 hog-nosed snake Heterodon platyrhinos⁵ Latreille 1801 eastern hognosed snake Thamnophis sp.⁵ Fitzinger 1843 garter snake Nerodia sp.² Baird and Girard 1853 water snake Pituophis catenifer⁵ gopher snake Lampropeltis doliata⁵ colubrid snake Lampropeltis getulus⁵ Linnaeus 1766 kingsnake Elaphe obsoleta⁵ Say 1823 black rat snake Coluber constrictor⁵ Linnaeus 1758 black racer
Squamata - Crotalidae	Sistrurus catenatus⁵, Agkistrodon contortix⁵, Crotalus viridis⁵ Sistrurus catenatus⁵ Rafinesque 1818 pigmy rattlesnake Agkistrodon contortix⁵ cottonmouth Crotalus viridis⁵ Rafinesque 1818 prairie rattlesnake
Squamata - Anguidae	Ophisaurus attenuatus⁶ Ophisaurus attenuatus⁶ Cope 1880 Slender glass lizard lizard occurrences at Fox Canyon are based on the assumption that this is the "Wendell Fox Pasture" localitiy in Etheridge 1961
Squamata - Iguanidae	Sceloporus robustus n. sp.¹⁴, Phrynosoma cornutum⁶ Sceloporus robustus n. sp.¹⁴ Twente 1952 spiny lizard Phrynosoma cornutum⁶ horned lizard
Mammalia
Chiroptera - Vespertilionidae	Lasiurus fossilis n. sp. Lasiurus fossilis n. sp. Hibbard 1950 hairy-tailed bat a bat
Lagomorpha - Leporidae	Hypolagus ringoldensis¹⁶ Hypolagus ringoldensis¹⁶ Gustafson 1978 rabbit presumably includes "H. regalis"
Rodentia - Cricetidae	Ogmodontomys poaphagus, Peromyscus baumgartneri¹⁰, Neotoma quadriplicata¹, Bensonomys sp.¹, Reithrodontomys wetmorei n. sp.⁸, Reithrodontomys rexroadensis n. sp.⁸, Onychomys gidleyi, Symmetrodontomys simplicidens, Baiomys kolbi n. sp.⁸, Pliophenacomys finneyi¹² Ogmodontomys poaphagus Hibbard 1941 rodent includes type of "Ogmodontomys poaphagus transitionalis": replaces ID of Zakrzewski 1967a Peromyscus baumgartneri¹⁰ Hibbard 1954 deer mouse Neotoma quadriplicata¹ Hibbard 1941 pack rat Bensonomys sp.¹ Gazin 1942 rodent Reithrodontomys wetmorei n. sp.⁸ Hibbard 1952 harvest mouse Reithrodontomys rexroadensis n. sp.⁸ Hibbard 1952 harvest mouse Baiomys rexroadi in part Onychomys gidleyi Hibbard 1941 grasshopper mouse Symmetrodontomys simplicidens Hibbard 1941 rodent Baiomys kolbi n. sp.⁸ Hibbard 1952 pygmy mouse Pliophenacomys finneyi¹² Hibbard and Zakrzewski 1972 rodent
Rodentia - Zapodidae	Zapus rinkeri n. sp.⁷ Zapus rinkeri n. sp.⁷ Hibbard 1951 jumping mouse
Rodentia - Sciuridae	Spermophilus rexroadensis¹¹, Paenemarmota barbouri Spermophilus rexroadensis¹¹ Hibbard 1941 ground squirrel Paenemarmota barbouri Hibbard and Schultz 1948 squirrel see also Repenning 1962
Rodentia - Geomyidae	Nerterogeomys smithi¹¹, Geomys adamsi n. sp.¹¹ Nerterogeomys smithi¹¹ Hibbard 1967 pocket gopher Geomys adamsi n. sp.¹¹ Hibbard 1967 pocket gopher
Rodentia - Heteromyidae	Perognathus pearlettensis, Perognathus rexroadensis n. sp. Perognathus pearlettensis Hibbard 1941 pocket mouse Perognathus rexroadensis n. sp. Hibbard 1950 pocket mouse
Artiodactyla - Cervidae	Odocoileus sp.¹⁵ Odocoileus sp.¹⁵ Rafinesque 1832 New World deer
Carnivora - Procyonidae	Procyon sp. Procyon sp. Storr 1780 raccoon
Carnivora - Mustelidae	Mustela rexroadensis n. sp. Mustela rexroadensis n. sp. Hibbard 1950 weasel
Carnivora - Mephitidae	Brachyopsigale dubius n. sp.¹⁰, ? Mephitis rexroadensis n. sp.⁸, Buisnictis schoffi³ Brachyopsigale dubius n. sp.¹⁰ Hibbard 1954 skunk ? Mephitis rexroadensis n. sp.⁸ Hibbard 1952 skunk Buisnictis schoffi³ Hibbard 1954 skunk
Carnivora - Hyaenidae	Chasmaporthetes sp.⁴ Chasmaporthetes sp.⁴ Hay 1921 hyaena
Soricomorpha - Talpidae	"Hesperoscalops rexroadi" = Scalopus rexroadi "Hesperoscalops rexroadi" = Scalopus rexroadi Hibbard 1941 mole
Soricomorpha - Soricidae	Paracryptotis rex n. sp., Cryptotis adamsi⁹, ? Cryptotis meadensis n. sp.⁹, Notiosorex jacksoni n. sp., Sorex rexroadensis n. sp.⁹ Paracryptotis rex n. sp. Hibbard 1950 red-toothed shrew Cryptotis adamsi⁹ Hibbard 1953 small-eared shrew ? Cryptotis meadensis n. sp.⁹ Hibbard 1953 small-eared shrew Notiosorex jacksoni n. sp. Hibbard 1950 gray shrew Sorex rexroadensis n. sp.⁹ Hibbard 1953 long-tailed shrew

¹Alroy 2002; ²Alroy 2009; ³Bjork 1970; ⁴Bjork 1973; ⁵Brattstrom 1967; ⁶Etheridge 1961; ⁷Hibbard 1951; ⁸Hibbard 1952; ⁹Hibbard 1953; ¹⁰Hibbard 1954; ¹¹Hibbard 1967; ¹²Hibbard and Zakrzewski 1972; ¹³Tihen 1960; ¹⁴Twente 1952; ¹⁵Wheatley and Ruez 2003; ¹⁶White 1988