ammonites

Cloverly Formation

Geology

Members: unnamed (18), Himes (81), Little Sheep Mudstone (40)

Lithologies: not reported (21), claystone (90), mudstone (13), sandstone (11)

Paleoenvironments: terrestrial indet. (87), channel lag (1), "channel" (9), wet floodplain (1), "floodplain" (2), fluvial-lacustrine indet. (1), pond (1), lacustrine indet. (37)

Age range: base of the Aptian to the top of the Albian or 125.450 to 99.600 Ma