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.