Hidden Lake Formation

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