The daughter of Geryon. She is the mother of Norax by Hermes. The mythical island of Erytheia is named after her, which was believed to lie somewhere in the west, where the sun sets. It glowed red in the evening light (erythos, "red"). The cattle of Geryon grazed on this island until they were stolen by Heracles.
- Aken, Dr. A.R.A. van. (1961). Elseviers Mythologische Encyclopedie. Amsterdam: Elsevier.
- Bartelink, Dr. G.J.M. (1988). Prisma van de mythologie. Utrecht: Het Spectrum.
- Pausanias. Description of Greece x, 17.5.