Wind River Formation

Geology

Members: unnamed (110), "Lost Cabin beds" (1), ? Lost Cabin (1), Lost Cabin (26), Lysite (8), Red Creek Facies (7)

Lithologies: not reported (21), "siliciclastic" (1), mudstone (1), "shale" (1), "limestone" (1)

Paleoenvironments: terrestrial indet. (151), fluvial-lacustrine indet. (1)

Age range: base of the Lysitean to the top of the Bridgerian or 55.80000 to 46.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 47.8USA (Wyoming) (134760)
Lostcabinian55.8 - 50.3USA (Wyoming) (15464 15901 15903 15915 15917 15930 15945 15950 16068 16073 16076 16078 232915)
Lysitean55.8 - 50.3USA (Wyoming) (74295)
Wasatchian55.8 - 50.3USA (Wyoming) (15467 15468 15469 15470 15471 15472 15473 15474 15475 15476 15477 15478 15648 15900 15902 15904 15905 15906 15907 15908 15909 15910 15911 15913 15916 15918 15919 15920 15921 15924 15925 15927 15928 15929 15934 15935 15936 15937 15938 15939 15940 15941 15942 15946 15947 15948 15949 15951 15952 15953 15954 15955 15956 15962 15963 15964 15965 15966 15967 15968 15969 15970 15971 15972 15973 15974 15975 15976 15977 15978 15979 15980 15981 15982 15983 15984 15985 15986 15987 15988 15989 15990 15991 15992 15993 15995 15996 16009 16010 16011 16012 16013 16014 16054 16057 16058 16059 16060 16062 16064 16066 16067 16069 16074 16077 78708 88038 168297 168298 168299 168300 168301 168302 168303 168330 181615 181616 232925)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) (131862 131863)
Wasatchian - Early/Lower Eocene55.8 - 48.6USA (Wyoming) (21382)
Bridgerian50.3 - 46.2USA (Wyoming) (16204 16207 16246 16247 16248 16254 16388 16397 16415 16439 16450 16451 16452 191226 191227 191228)
Middle Eocene47.8 - 37.71USA (Wyoming) (118469)