Where: Graham County, Arizona (32.8° N, 110.0° W: paleocoordinates 33.0° N, 109.4° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Gila Conglomerate Formation, Blancan (4.9 - 1.8 Ma)
• mostly from 4 localities within 10 m of section; additional locality about 10 m upsection
• member-level stratigraphic resolution
Environment/lithology: fluvial; sandstone and claystone
•said to be from "alluvial fan" deposits
Size classes: macrofossils, 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 19651: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Geomys sp. Rafinesque 1817 pocket gopher | |
Sigmodon sp. Say and Ord 1825 cotton rat | |
Nannippus peninsulatus Cope 1885 hipparionine horse
Equus sp. Linnaeus 1758 horse | |
Platygonus sp. Leconte 1848 peccary | |
Camelops sp. Leidy 1854 camel
Hemiauchenia sp. Gervais and Ameghino 1880 camel | |
Antilocapridae indet. Gray 1866 pronghorn | |
Felinae indet. Trouessart 1885 cat | |
Trigonictis macrodon Cope 1868 mustelid carnivore | |
Gomphotheriidae indet. Hay 1922 gomphothere
? Rhynchotherium sp. Falconer 1868 gomphothere |