1. A daughter of Deucalion and Pyrrha. (Apollod. i. 7. § 2.) She was married to Locrus, but had no children ; Zeus, however, who carried her off, became by her, on mount Maenalus in Arcadia, the father of Opus. (Schol. ad Pind. Ol. ix. 8.5; Schol. ad Apollon. Rhod. iv. 1780.) According to others she was not the mother, but a daughter of Opus. (Schol. ad Pind. l. c.) Endymion also is called a son of Protogeneia. (Conon, Narrat. 14.)

2. A daughter of Calydon and Aeolia. (Apollod. i. 7. § 7.)