Indian Meadows Formation Explained

Indian Meadows Formation
Type:	Formation
Age:	Ypresian (Wasatchian) ~
Period:	Ypresian
Coordinates:	43.2°N -108.2°W
Paleocoordinates:	48°N -91.4°W
Extent:	Wind River Basin

The Indian Meadows Formation is a Wasatchian geologic formation in Wyoming. It preserves fossils dating back to the Ypresian stage of the Eocene period.^[1]

Fossil content

The following fossils have been reported from the formation:^{[1] [2] [3]}

Mammals

Primates

• Absarokius abbotti
• Cantius sp.

Artiodactyls

• Diacodexis metsiacus
• Artiodactyla indet.

Cimolesta

• Esthonyx sp.

Eutheria

• Chriacus gallinae

Ferae

• Didymictis sp.

Glires

• Paramys copei
• P. excavatus

Macroscelidea

• Haplomylus speirianus

Multituberculata

• Parectypodus lunatus

Pantodonta

• Coryphodon sp.

Perissodactyls

• Homogalax protapirinus
• Homogalax sp.
• Equidae indet.

Placentalia

• Hyopsodus loomisi
• Phenacodus vortmani
• Ectocion cf. osbornianus
• Hyopsodus sp.
• Phenacodus sp.

Theriiformes

• Oxyaenidae indet.

Wasatchian correlations

Wasatchian correlations in North America

Formation				Indian Meadows																		Ypresian (IUCS) • Itaboraian (SALMA) Bumbanian (ALMA) • Mangaorapan (NZ)
Basin		Piceance	Colorado Plateau	Wind River	Green River																	align=center rowspan=14
Copelemur	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
Coryphodon	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
Diacodexis	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
Homogalax	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
Oxyaena	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
Paramys	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
Primates	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
Birds	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
Reptiles	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
Insects	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
	align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center		align=center
	Alluvial-fluvio-lacustrine	Fluvial				Fluvial	Fluvio-lacustrine	Fluvial	Lacustrine		Fluvio-lacustrine		Deltaic-paludal	Shallow marine		Fluvial	Shallow marine	Fluvial		Fluvial
Volcanic	Yes	No							Yes	No	Yes	No	Yes	No						Yes	No

See also

• List of fossiliferous stratigraphic units in Wyoming
• Paleontology in Wyoming

References

Bibliography

Notes and References

1. https://paleobiodb.org/classic/displayStrata?geological_group=&formation=Indian%20Meadows&group_formation_member=Indian%20Meadows Indian Meadows Formation
2. Winterfeld & Conard, 1983
3. Keefer & Troyer, 1964