Shonto Creek Canyon: Late/Upper Pleistocene, Arizona
collected 1982
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Rodentia
- Sciuridae
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Sciuridae indet.
Gray 1821
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"a sciurid" | ||||||||||
Mammalia
- Rodentia
- Geomyidae
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Thomomys sp.
Wied-Neuwied 1839
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Mammalia
- Rodentia
- Cricetidae
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Peromyscus sp.
Gloger 1841
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Mammalia
- Lagomorpha
- Leporidae
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Lepus sp.
Linnaeus 1758
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Mammalia
- Perissodactyla
- Tapiridae
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Tapirus cf. merriami
Frick 1921
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see Agenbroad and Downs 1984 (4 measurements) | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Equus sp.
Linnaeus 1758
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Mammalia
- Cervidae
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Cervus sp.
Linnaeus 1758
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Mammalia
- Bovidae
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Ovis sp.
Linnaeus 1758
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Mammalia
- Carnivora
- Felidae
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Felis sp.
Linnaeus 1758
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= Felidae indet.
Gray 1821
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Alroy 2008 | |||||||||
Mammalia
- Carnivora
- Canidae
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Urocyon sp.
Baird 1857
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Mammalia
- Mylodontidae
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Paramylodon harlani
(Owen 1840)
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(5 measurements) | ||||||||||
Mammalia
- Proboscidea
- Elephantidae
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Mammuthus sp.
Brookes 1828
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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] |