The Oida age was a period in the prehistory of the planet Carrea. Fossils dating from the Oida age bore a similarity to living species on the planet Brannik IV, making that world of great interest to Carreon scientists.

When Carreon ambassador Alfear Yorgas refused to negotiate in good faith with Federation member state Delta IV, Federation President Nanietta Bacco threatened to "torpedo [Carrea] back to the Oida age." (ST novel: Articles of the Federation)

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