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: 47.2° N, 90.0° W (Wright 2013)

• coordinate based on political unit

• small collection-level geographic resolution

When: Harrison Formation, Harrisonian (24.8 - 18.5 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: CC0 (CC0)

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"
Show authors, comments, and common names
Reptilia
 Testudines - Emydidae
cf. Emydidae indet.2
cf. Emydidae indet.2 Rafinesque 1815 turtle
 Squamata - Loxocemidae
Ogmophis miocompactus2
Ogmophis miocompactus2 Holman 1976 Mexican burrowing snake
 Squamata - Viperidae
Viperidae indet.2
Viperidae indet.2 Oppel 1811 viper
 Squamata - Boidae
Calamagras angulatus2, Calamagras platyspondyla2, Geringophis depressus2, Anilioides nebraskensis2
Calamagras angulatus2 Cope 1873 dwarf boa
Calamagras platyspondyla2 Holman 1976 dwarf boa
Geringophis depressus2 Holman 1976 sand boa
Anilioides nebraskensis2 Holman 1976 boa
 Squamata -
cf. Peltosaurus sp.2
cf. Peltosaurus sp.2 Cope 1873 squamates
 Squamata - Iguanidae
Harrisonsaurus fossilis n. gen. n. sp.2
Harrisonsaurus fossilis n. gen. n. sp.2 Holman 1981 squamates
 Squamata - Scincidae
Eumeces antiquus n. sp.2
Eumeces antiquus n. sp.2 Holman 1981 skink
Mammalia
 Soricomorpha - Talpidae
Scalopoides sp.
Scalopoides sp. Wilson 1960 mole
 Soricomorpha - Proscalopidae
Proscalops secundus
Proscalops secundus Matthew 1909 placental
 Soricomorpha - Geolabididae
Centetodon divaricatus n. sp.
Centetodon divaricatus n. sp. Korth 1992 placental
 Tribosphenida - Erinaceidae
Parvericius voorhiesi n. sp.
Parvericius voorhiesi n. sp. Korth 1992 hedgehog
 Rodentia -
Geomyoidea indet.1
Geomyoidea indet.1 Bonaparte 1845 rodent
 Rodentia - Eomyidae
Pseudotheridomys sp., Arikareeomys skinneri n. sp.
Pseudotheridomys sp. Schlosser 1926 rodent
Arikareeomys skinneri n. sp. Korth 1992 rodent
 Rodentia - Castoridae
Fossorcastor cf. fossor1
Fossorcastor cf. fossor1 Peterson 1905 beaver
 Rodentia - Entoptychidae
Entoptychus grandiplanus n. sp., Gregorymys cf. formosus
Entoptychus grandiplanus n. sp. Korth 1992 rodent
Gregorymys cf. formosus Matthew 1907 rodent
 Rodentia - Mylagaulidae
Trilaccogaulus ovatus, Promylagaulus riggsi
Trilaccogaulus ovatus Rensberger 1979 rodent
Promylagaulus riggsi McGrew 1941 rodent
 Rodentia - Cricetidae
Paciculus nebraskensis, Leidymys cerasus
Paciculus nebraskensis Alker 1969 rodent
Leidymys cerasus Korth 1992 rodent
 Rodentia - Florentiamyidae
Florentiamys sp., Sanctimus cf. stuartae, Hitonkala macdonaldtau n. sp.
Florentiamys sp. Wood 1936 rodent
presumably OK
Sanctimus cf. stuartae Macdonald 1970 rodent
Hitonkala macdonaldtau n. sp. Korth 1992 rodent
 Rodentia - Sciuridae
Nototamias quadratus n. sp.
Nototamias quadratus n. sp. Korth 1992 squirrel
 Rodentia - Zapodidae
"Plesiosminthus cf. clivosus" = Schaubeumys clivosus
"Plesiosminthus cf. clivosus" = Schaubeumys clivosus Galbreath 1953 jumping mouse
 Rodentia - Allomyidae
Parallomys americanus n. sp., Alwoodia harkseni
Parallomys americanus n. sp. Korth 1992 rodent
Alwoodia harkseni Macdonald 1963 rodent
 Lagomorpha - Ochotonidae
Gripholagomys lavocati
Gripholagomys lavocati Green 1972 pika
 Lagomorpha - Leporidae
Archaeolagus cf. primigenius
Archaeolagus cf. primigenius Matthew 1907 rabbit
 Tribosphenida - Herpetotheriidae
Herpetotherium youngi
Herpetotherium youngi McGrew 1937 marsupial
Amphibia
 Salientia - Pelobatidae
"Scaphiopus neuter" = Spea neuter2
"Scaphiopus neuter" = Spea neuter2 Kluge 1966 spadefoot toad
1Alroy 2002; 2Holman 1981