Wind River Formation

Wind River Formation
Wind River Formation
Stratigraphic range: Paleogene
Type	Geological formation
Location
Region	Wyoming
Country	United States

The Wind River Formation is a geologic formation in Wyoming in the Wind River Basin. It preserves fossils dating back to the Paleogene period. A recent study by Stanford suggests that fracking has contaminated the entire ground water resource in the basin.^[1]

Apatotheres reported from the Wind River Formation
Genus	Species	Presence	Material	Notes	Images
Apatemys	A. bellulus	Lost Cabin Member.^[2]		Also found in the Willwood Formation.^[2]

Cimolestans reported from the Wind River Formation
Genus	Species	Presence	Material	Notes	Images
Palaeosinopa	P. incerta	Lost Cabin Member.^[2]		A pantolestid also known from the Willwood and San Jose formations .^[2]
Palaeosinopa	P. sp.	Lost Cabin Member.^[3]		A pantolestid.

Leptictids reported from the Wind River Formation
Genus	Species	Presence	Material	Notes	Images
Palaeictops	P. bicuspis	Lost Cabin Member.^[2]		Also known from the Willwood Formation.^[2]

Primatomorphs reported from the Wind River Formation
Genus	Species	Presence	Material	Notes	Images
Absarokius	A. sp.	Cottonwood Creek, Lysite Member.^[3]		An omomyid.
Arapajovius	A. cf. gazini	^[3]
Copelemur	C. feretutus	Lysite Member.^[3]	"ACM 4326, an isolated right M1".^[3]	A notharctine.

Rodents reported from the Wind River Formation
Genus	Species	Presence	Material	Notes	Images
Paramys	P. sp.	Lost Cabin Member.^[3]	"ACM 327, a right mandible with M1 through M3 and partial P4".^[3]

Mammals

Squamates reported from the Wind River Formation
Genus	Species	Presence	Material	Notes	Images
Ototriton	O. solidus	Lysite Member.^[4]	ACM 3539.^[4]	A worm lizard.
Protorhineura	P. hatcherii	^[4]		A worm lizard also known from the Brule & White River formations.
Spathorhynchus	S. fossorium	^[4]		A worm lizard also known from the Bridger Formation.