Keefe Canyon ( of the United States)

Also known as UK Locality 22

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

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

Primary reference: C. W. Hibbard and E. S. Riggs. 1949. Upper Pliocene Vertebrates From Keefe Canyon, Meade County, Kansas. Geological Society America Bulletin 60(5):829-860 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 19932: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• no more than 23.5 feet below the "massive caliche zone" and 63 feet below the top of the formation
SW 1/4 SW 1/4 sec 34 T 34 S R 30 W
Stegomastodon apparently is not from Loc. 22; see Hibbard 1950
Mammalia
 Proboscidea - Mammutidae
Mammut americanum1 Kerr 1792 American mastodon
 Proboscidea - Gomphotheriidae
Stegomastodon sp.1 Pohlig 1912 gomphothere
 Rodentia - Cricetidae
Ogmodontomys poaphagus Hibbard 1941 mouse
described by Zakrzewski 1967a
Neotoma quadriplicata1 Hibbard 1941 pack rat
Symmetrodontomys simplicidens Hibbard 1941 mouse
 Rodentia - Castoridae
Dipoides rexroadensis n. sp. Hibbard and Riggs 1949 beaver
Procastoroides sweeti1 Barbour and Schultz 1937 beaver
 Rodentia - Geomyidae
Geomys jacobi4 Hibbard 1967 pocket gopher
 Lagomorpha - Leporidae
Notolagus lepusculus Hibbard 1939 rabbit
confirmed by White 1991a
 Theriamorpha - Talpidae
"Hesperoscalops rexroadi" = Scalopus rexroadi
"Hesperoscalops rexroadi" = Scalopus rexroadi Hibbard 1941 mole
 Theriamorpha - Soricidae
Notiosorex jacksoni3 Hibbard 1950 gray shrew
Cryptotis adamsi3 Hibbard 1953 small-eared shrew
 Carnivora - Mustelidae
Taxidea cf. taxus Schreber 1778 American badger
Martes foxi n. sp. Hibbard and Riggs 1949 marten
 Carnivora - Mephitidae
Buisnictis breviramus Hibbard 1941 skunk
 Carnivora - Canidae
Canis lepophagus Johnston 1938 canine
Borophagus diversidens Cope 1892 bone-crushing dog
confirmed by Wang et al. 1999: "B. sp." of Dalquest 1969a
 Artiodactyla - Tayassuidae
Platygonus bicalcaratus Cope 1893 peccary
 Artiodactyla - Camelidae
Gigantocamelus spatulus Cope 1893 camel
Megatylopus cochrani1 Hibbard and Riggs 1949 camel
Hemiauchenia blancoensis5 Meade 1945 camel
 Perissodactyla - Equidae
"Equus simplicidens" = Plesippus simplicidens
"Equus simplicidens" = Plesippus simplicidens Cope 1892 horse
 Megatherioidea - Megalonychidae
Megalonyx cf. leptostomus2 Cope 1893 edentate