Genus: Kryostega SIDOR, SAMIANI & HAMMER, 2008
Etymology: Greek, kryo, "cold" and Greek, stegos, "roof."
Species: collinsoni SIDOR, SAMIANI & HAMMER, 2008
Etymology: In honor of Jim Collinson, for his invaluable contributions to Antarctic science.
Holotype: AMNH 24419
Localitiy: Gordon Valley, 84°21.756' S, 164°03.627'E, central Transantarctic Mountans, East Antarctica, Antarctica.
Horizon: Upper Fremouw Formation.
Age: Late Early or Early Middle Triassic.
Material: Anterior portion of a large skull perserving parts of the lacrimals, maxillae, nasals, premaxillae, and vomers.