Where: Graham County, Arizona (32.7° N, 109.5° W: paleocoordinates 32.8° N, 108.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Gila Conglomerate Formation, Blancan (4.9 - 1.8 Ma)
• about 85 m level in local section
• bed-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine
Size class: mesofossils
Collection methods: bulk, surface (float), sieve,
Primary reference: Y. Tomida. 1987. Small mammal fossils and correlation of continental deposits, Safford and Duncan basins, Arizona. National Science Museum 1-141 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 19659: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Richard Hulbert
Creative Commons license: CC BY (attribution)
Taxonomic list
| Aves | |
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Aquila bivia2 Emslie and Czaplewski 1999 golden eagle OMNH 50271, partial skeleton from OMNH Locality V818, East Ravine at Dry Mountain
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| Mammalia | |
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Sorex sp. Linnaeus 1758 long-tailed shrew | |
Onychomys pedroensis, "Sigmodon medius" = Sigmodon minor, Neotoma taylori, Reithrodontomys galushai, Peromyscus hagermanensis, "Baiomys cf. brachygnathus" = Peromyscus brachygnathus
Onychomys pedroensis Gidley 1922 grasshopper mouse
"Sigmodon medius" = Sigmodon minor Gidley 1922 cotton rat
Neotoma taylori Hibbard 1967 pack rat
Reithrodontomys galushai Tomida 1987 harvest mouse
Peromyscus hagermanensis Hibbard 1962 deer mouse
"Baiomys cf. brachygnathus" = Peromyscus brachygnathus Gidley 1922 deer mouse | |
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Dipodomys hibbardi Zakrzewski 1981 kangaroo rat | |
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Spermophilus sp. Cuvier 1825 ground squirrel | |