A nymph, the mother of Oeoclus by Poseidon. He and two other sons of Poseidon, Otus and Ephialtes, founded a town in Boeotia, at the foot of the Helicon, which they named Ascra after his mother.
From this place Zeus received the surname Ascraus.
- Hegesinus ap. Pausanias. Description of Greece ix, 29.1.