McCann Canyon Quarry: Harrisonian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli - Pelobatidae
Scaphiopus neuter Kluge 1966
Holman 1981
recombined as Spea neuter
Mammalia - Rodentia - Florentiamyidae
Florentiamys sp. Wood 1936
presumably OK
Sanctimus cf. stuartae Macdonald 1970
(6 measurements)
Hitonkala macdonaldtau n. sp. Korth 1992
(6 measurements)
Mammalia - Rodentia - Sciuridae
Nototamias quadratus n. sp. Korth 1992
(5 measurements)
Mammalia - Rodentia
Proheteromys sp. Wood 1932
    = Geomyoidea indet. Bonaparte 1845
Alroy 2002
Mammalia - Rodentia - Eomyidae
Pseudotheridomys sp. Schlosser 1926
Arikareeomys skinneri n. sp. Korth 1992
Mammalia - Rodentia - Castoridae
Palaeocastor cf. simplicidens (Matthew 1907)
    = Fossorcastor cf. fossor Peterson 1905
Alroy 2002
Mammalia - Rodentia - Mylagaulidae
Trilaccogaulus ovatus (Rensberger 1979)
(1 measurement)
Promylagaulus riggsi McGrew 1941
(1 measurement)
Mammalia - Rodentia - Allomyidae
Parallomys americanus n. sp. Korth 1992
(1 measurement)
Alwoodia harkseni (Macdonald 1963)
(5 measurements)
Mammalia - Rodentia - Zapodidae
Plesiosminthus cf. clivosus Galbreath 1953
recombined as Schaubeumys clivosus
Mammalia - Rodentia - Cricetidae
Paciculus nebraskensis Alker 1969
(6 measurements)
Leidymys cerasus Korth 1992
(1 measurement)
Mammalia - Rodentia - Entoptychidae
Entoptychus grandiplanus n. sp. Korth 1992
(6 measurements)
Gregorymys cf. formosus (Matthew 1907)
Mammalia - Lagomorpha - Leporidae
Archaeolagus cf. primigenius (Matthew 1907)
(6 measurements)
Mammalia - Lagomorpha - Ochotonidae
Gripholagomys lavocati Green 1972
(1 measurement)
Mammalia - Erinaceidae
Parvericius voorhiesi n. sp. Korth 1992
(1 measurement)
Mammalia - Geolabididae
Centetodon divaricatus n. sp. Korth 1992
(1 measurement)
Mammalia - Talpidae
Scalopoides sp. Wilson 1960
Mammalia - Proscalopidae
Proscalops secundus Matthew 1909
(5 measurements)
Mammalia - Groeberida
Herpetotherium youngi (McGrew 1937)
(6 measurements)
Reptilia - Testudines - Emydidae
cf. Emydidae indet. Rafinesque 1815
Holman 1981
Reptilia - Boidae
Calamagras angulatus Cope 1873
Holman 1981
Calamagras platyspondyla Holman 1976
Holman 1981
Geringophis depressus Holman 1976
Holman 1981
Reptilia - Viperidae
Viperidae indet. Oppel 1811
Holman 1981
Reptilia - Aniliidae
Anilioides nebraskensis Holman 1976
Holman 1981
Reptilia - Loxocemidae
Ogmophis miocompactus Holman 1976
Holman 1981
Reptilia - Scincidae
Eumeces antiquus n. sp. Holman 1981
Holman 1981
Reptilia - Iguanidae
Harrisonsaurus fossilis n. gen., n. sp. Holman 1981
Holman 1981
Reptilia
cf. Peltosaurus sp. Cope 1873
Holman 1981
see common names

Geography
Country:United States State/province:Nebraska County:Cherry
Coordinates: 42.8° North, 100.8° West (view map)
Paleocoordinates:43.6° North, 95.7° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
*Period:Tertiary *Epoch:Miocene
Key time interval:Harrisonian
Age range of interval:24.80000 - 20.43000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Harrison
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments: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"
Metadata
Also known as:UNSM Cr-117; Mouth of McCann Canyon
Database number:17802
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1994-04-30 00:00:00 Last modified:2002-06-03 03:27:42
Access level:the public Released:1994-04-30 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2115. 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]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
720 J. A. Holman. 1981. A herpetofauna from an early extension of the Harrison Formation (early Miocene: Arikareean), Cherry County, Nebraska. Journal of Vertebrate Paleontology 1(1):49-56 [J. Alroy/M. Sommers/J. Alroy]