Shonto Creek Canyon: Late/Upper Pleistocene, Arizona
collected 1982

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Sciuridae
Sciuridae indet. Gray 1821
"a sciurid"
Mammalia - Rodentia - Geomyidae
Thomomys sp. Wied-Neuwied 1839
Mammalia - Rodentia - Cricetidae
Peromyscus sp. Gloger 1841
Mammalia - Lagomorpha - Leporidae
Lepus sp. Linnaeus 1758
Mammalia - Perissodactyla - Tapiridae
Tapirus cf. merriami Frick 1921
see Agenbroad and Downs 1984 (4 measurements)
Mammalia - Perissodactyla - Equidae
Equus sp. Linnaeus 1758
Mammalia - Cervidae
Cervus sp. Linnaeus 1758
Mammalia - Bovidae
Ovis sp. Linnaeus 1758
Mammalia - Carnivora - Felidae
Felis sp. Linnaeus 1758
    = Felidae indet. Gray 1821
Alroy 2008
Mammalia - Carnivora - Canidae
Urocyon sp. Baird 1857
Mammalia - Mylodontidae
Paramylodon harlani (Owen 1840)
(5 measurements)
Mammalia - Proboscidea - Elephantidae
Mammuthus sp. Brookes 1828
see Agenbroad and Mead 1989
see common names

Geography
Country:United States State/province:Arizona County:Navajo
Coordinates: 36.6° North, 110.7° West (view map)
Paleocoordinates:36.6° North, 110.7° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Pleistocene
Age range of interval:0.12600 - 0.01170 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Stratigraphy comments: "The age of the Shonto fauna is 30,800 +/- 1,700 yr BP (GX-10493) based on a conventional carbon-14 date on a sample of bone from the sloth"
Lithology and environment
Primary lithology: claystone
Lithology description: "a clay-rich horizon of the dune, which might indicate a former shoreline of the lake"
Environment:deltaic indet.
Glacial or sequence phase:high glacial
Geology comments: "a remnant of a deltaic deposit inundated by a perennial lake formed by impoundment within the canyon during the late Pleistocene"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying
Reason for describing collection:paleoecologic analysis
Collection dates:1982
Collection method comments: Museum of Northern Arizona collection
"the sloth was found in situ"
Taxonomic list comments:original collection described by Gregory (1917)
Metadata
Also known as:Shato Springs; MNA Locality 186-1
Database number:85144
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:2008-12-02 19:47:14 Last modified:2008-12-02 21:47:14
Access level:the public Released:2008-12-02 19:47:13
Creative Commons license:CC BY
Reference information

Primary reference:

28649. H. G. McDonald, L. D. Agenbroad, and C. Manganaro Haden. 2004. Late Pleistocene mylodont sloth Paramylodon harlani (Mammalia: Xenarthra) from Arizona. Southwestern Naturalist 49(2):229-238 [J. Alroy/J. Alroy]

Secondary references:

26812 J. Alroy. 2008. Synonymies, reidentifications, and other arbitrary pronouncements mostly concerning fossil vertebrates. [J. Alroy/J. Alroy]