The Emu Bay Shale is a geological formation in Emu Bay, South Australia, containing a major Konservat-Lagerstätte. It is one of two in the world containing Redlichiidan trilobites. The Emu Bay Shale is dated as Cambrian Series 2, Stage 4, correlated with the upper Botomian Stage of the Lower Cambrian.

Emu Bay is a locality in the Australian state of South Australia on the north coast of Kangaroo Island located about 124 kilometres (77 mi) south-west of the state capital of Adelaide and about located about 13 kilometres (8.1 mi) west of the municipal seat of Kingscote.