Granger Station (Eocene of the United States)

Where: Sweetwater County, Wyoming (41.7° N, 109.0° W: paleocoordinates 45.6° N, 95.1° W)

• coordinate based on political unit

When: lower Member (Bridger Formation), Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: terrestrial

Primary reference: C. L. Gazin. 1976. Mammalian Faunal Zones of the Bridger Middle Eocene. Smithsonian Contributions to Paleobiology 26:1-25 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 16226: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Granger" and "Granger Station" may be modern day Millersville, and if so these localities are probably on Cottonwood Creek
Reptilia
 Testudines - Baenidae
Chisternon undatum2 Leidy 1871 turtle
YPM 3930, disarticulated skull. Granger, Wyo. (label). Horizon: Bridger B (label). Collector: R. E. Son, 1873.
Mammalia
 Primates - Omomyidae
Trogolemur myodes n. sp.3 Matthew 1909 tarsier
from "Horizon B1, 6 miles south of Granger"; see also Gazin 1958a
 Perissodactyla - Brontotheriidae
Palaeosyops paludosus4 Leidy 1870 brontothere
"very low in B 1 (Granger)"
 Perissodactyla - Hyrachyidae
"Hyrachyus affinis" = Hyrachyus modestus5
"Hyrachyus affinis" = Hyrachyus modestus5 Leidy 1870 odd-toed ungulate
"five miles southwest of Granger (hence Lower Bridger)"
 Trogontia - Esthonychidae
Trogosus castoridens1 Leidy 1871 tillodont
 Ungulata - Hyopsodontidae
Hyopsodus minusculus3 Leidy 1873 condylarth
"6 miles south of Granger"; reoirted as "4 mi S of Granger" by Redline 1997