The Nicely Formation is a geologic formation in the Crook, Grant, and Harney Counties in Oregon. It preserves radiolaria and ichthyosaur fossils dating back to the Pliensbachian stage of the Early Jurassic period.Nicely Formation at Fossilworks.org
Fossil content Among others, the following fossils have been reported from the formation: Ichthyosauria indet.Orr & Katsura, 1985
See also List of fossiliferous stratigraphic units in Oregon Paleontology in Oregon
References
Bibliography
K. Y. Yeh. 1987. Taxonomic Studies of Lower Jurassic Radiolaria from East-Central Oregon. National Museum of Natural Science Special Publications 2:1-169 E. A. Pessagno Jr. and P.A. Whalen. 1982. Lower and Middle Jurassic Radiolaria (multicyrtid Nassellariina) from California, east-central Oregon and the Queen Charlotte Islands, B.C. Micropaleontology 28(2):111-169