111 Ranch (Upper) ( of the United States)
Where: Graham County, Arizona (33.0° N, 109.6° W: paleocoordinates 33.1° N, 109.0° W)
• coordinate based on political unit
When: Blancan (4.9 - 1.8 Ma)
Environment/lithology: terrestrial
Size classes: macrofossils, mesofossils
Primary reference: T. Galusha, N. M. Johnson, E. H. Lindsay, N. D. Opdyke, and R. H. Tedford. 1984. Biostratigraphy and magnetostratigraphy, late Pliocene rocks, 111 Ranch, Arizona. Geological Society America Bulletin 95(6):714-722 [J. Alroy/J. Alroy/M. Uhen]more details
PaleoDB collection 19658: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• from 40-50 m/130-163 ft. in local section
most of the taxa are from less than 5 m below the Gauss/ Matuyama transition (2.6 Ma, see Cande and Kent 1992); this is the only reasonable assignment in light of the FT dates for 111 Ranch (Middle)
most of the taxa are from less than 5 m below the Gauss/ Matuyama transition (2.6 Ma, see Cande and Kent 1992); this is the only reasonable assignment in light of the FT dates for 111 Ranch (Middle)
Show authors, comments, and common names
| Mammalia | |
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? Bassariscus sp. Coues 1887 ringtail | |
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Mustela sp. Linnaeus 1758 weasel | |
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Borophagus sp. Cope 1892 bone-crushing dog | |
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Platygonus sp. Leconte 1848 peccary | |
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"Camelops cf. traviswhitei" = Camelops hesternus Leidy 1873 camel | |
Nannippus peninsulatus, "Equus simplicidens" = Plesippus simplicidens
Nannippus peninsulatus Cope 1885 hipparionine horse
"Equus simplicidens" = Plesippus simplicidens Cope 1892 horse | |
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Aztlanolagus sp. Russell and Harris 1986 rabbit
Sylvilagus sp. Gray 1867 cottontail rabbit | |
Baiomys sp., Peromyscus sp.2, Pliophenacomys primaevus2, Repomys arizonensis2, Reithrodontomys rexroadensis2, Ondatra idahoensis, Onychomys sp., Neotoma taylori2, Mictomys vetus1, "Bensonomys arizonae" = Calomys (Bensonomys) arizonae2, "Sigmodon medius" = Sigmodon minor
Baiomys sp. True 1894 pygmy mouse
Ondatra idahoensis Wilson 1933 muskrat
Onychomys sp. Baird 1858 grasshopper mouse
"Sigmodon medius" = Sigmodon minor Gidley 1922 cotton rat | |
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Dipodomys hibbardi Zakrzewski 1981 kangaroo rat | |
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Spermophilus sp. Cuvier 1825 ground squirrel | |
"Neochoerus dichroplax" = Phugatherium dichroplax
"Neochoerus dichroplax" = Phugatherium dichroplax Ahearn and Lance 1980 caviomorph | |
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Megalonyx sp. Harlan 1825 edentate | |
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Glyptotherium texanum Osborn 1903 glyptodon | |