McCann Canyon Quarry ( of the United States)

Also known as UNSM Cr-117; Mouth of McCann Canyon

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.6° N, 95.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Harrison Formation, Harrisonian (24.8 - 20.4 Ma)

Environment/lithology: terrestrial

Primary reference: W. W. Korth. 1992. Fossil small mammals from the Harrison Formation (late Arikareean: earliest Miocene), Cherry County, Nebraska. Annals of Carnegie Museum 61(2):69-132 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 17802: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• very far to the east of other Harrison localities
may include "a mustelid, a merycoidodont and an equid" but these may come from Olson Ranch and are indeterminate in any event; the mustelid is apparently "Palaeogale" of Hayes 2000 from the "McCann Canyon LF"
 Salientia - Pelobatidae
"Scaphiopus neuter" = Spea neuter2
"Scaphiopus neuter" = Spea neuter2 Kluge 1966 spadefoot toad
 Testudines - Panemydidae
cf. Emydidae indet.2 Rafinesque 1815 turtle
 Squamata -
cf. Peltosaurus sp.2 Cope 1872 squamates
 Squamata - Iguanidae
Harrisonsaurus fossilis n. gen. n. sp.2
Harrisonsaurus fossilis n. gen. n. sp.2 Holman 1981 squamates
 Squamata - Aniliidae
Anilioides nebraskensis2 Holman 1976 pipe snake
 Squamata - Viperidae
Viperidae indet.2 Oppel 1811 viper
 Squamata - Loxocemidae
Ogmophis miocompactus2 Holman 1976 Mexican burrowing snake
 Squamata - Boidae
Calamagras angulatus2 Cope 1873 dwarf boa
Calamagras platyspondyla2 Holman 1976 dwarf boa
Geringophis depressus2 Holman 1976 sand boa
 Squamata - Scincidae
Eumeces antiquus n. sp.2 Holman 1981 skink
 Rodentia - Cricetidae
Leidymys cerasus Korth 1992 mouse
Paciculus nebraskensis Alker 1969 mouse
 Rodentia - Sciuridae
Nototamias quadratus n. sp. Korth 1992 squirrel
 Rodentia -
Geomyoidea indet.1 Bonaparte 1845 rodent
 Rodentia - Eomyidae
Pseudotheridomys sp. Schlosser 1926 rodent
Arikareeomys skinneri n. sp. Korth 1992 rodent
 Rodentia - Geomyidae
Gregorymys cf. formosus Matthew 1907 pocket gopher
Entoptychus grandiplanus n. sp. Korth 1992 pocket gopher
 Rodentia - Florentiamyidae
Sanctimus cf. stuartae Macdonald 1970 rodent
Hitonkala macdonaldtau n. sp. Korth 1992 rodent
Florentiamys sp. Wood 1936 rodent
presumably OK
 Rodentia - Castoridae
Fossorcastor cf. fossor1 Peterson 1905 beaver
 Rodentia - Allomyidae
Parallomys americanus n. sp. Korth 1992 rodent
Alwoodia harkseni Macdonald 1963 rodent
 Rodentia - Mylagaulidae
Trilaccogaulus ovatus Rensberger 1979 rodent
Promylagaulus riggsi McGrew 1941 rodent
 Rodentia - Zapodidae
"Plesiosminthus cf. clivosus" = Schaubeumys clivosus
"Plesiosminthus cf. clivosus" = Schaubeumys clivosus Galbreath 1953 jumping mouse
 Lagomorpha - Leporidae
Archaeolagus cf. primigenius Matthew 1907 rabbit
 Lagomorpha - Ochotonidae
Gripholagomys lavocati Green 1972 pika
 Lipotyphla - Erinaceidae
Parvericius voorhiesi n. sp. Korth 1992 hedgehog
 Lipotyphla - Geolabididae
Centetodon divaricatus n. sp. Korth 1992 placental
 Lipotyphla - Talpidae
Scalopoides sp. Wilson 1960 mole
 Tribosphenida - Proscalopidae
Proscalops secundus Matthew 1909 placental
 Theriiformes - Herpetotheriidae
Herpetotherium youngi McGrew 1937 marsupial