Hidden Lake Formation
Introduction The '''Hidden Lake Formation''' is a Late Cretaceous geologic formation in Antarctica. The sandstones and siltstones of the formation were deposited in a deltaic environment.Indeterminate megalosaur remains have been recovered from it. Also many plant fossils and ichnofossils of ''Planolites sp.'' and ''Palaeophycus sp.'' have been found in the formation.
Paleofauna *Megalosauroidea indet. *''Palaeophycus'' sp. *''Planolites'' sp.
Flora * ''Antarctoxylon mixai''* ''Dicotylophyllum''* ''Elatocladus'' cf. ''heterophylla''* ''Lygodium'' sp. * ''Microphyllopteris'' sp.
See also * List of dinosaur-bearing rock formations** List of stratigraphic units with indeterminate dinosaur fossils* List of fossiliferous stratigraphic units in Antarctica** Snow Hill Island Formation
References
Further reading * V. D. Barreda, S. Palamarczuk, and F. Medina. 1999.Palinología de la Formación Hidden Lake (Coniaciano-Santoniano), Isla James Ross, Antártida. Revista Española de Micropaleontología (31)53-72* R. E. Molnar, A. L. Angriman, and Z. Gasparini. 1996.An Antarctic Cretaceous theropod. Memoirs of the Queensland Museum 39(3):669-674* D. Néraudeau, A. Crame, and M. Kooser. 2000.Upper Cretaceous echinoids from James Ross Basin, Antarctica. Géobios 33(4):455-466