Or Asphaleius (Ἀσφάλειος), a surname of Poseidon, under which he was worshiped in several towns of Greece. It describes him as the god who grants safety to ports and to navigation in general.
- Pausanias. Description of Greece vii, 21.3.
- Plutarch. Theseus, 36.
- Smith, William. (1870). Dictionary of Greek and Roman Biography and Mythology. London: Taylor, Walton, and Maberly.
- Strabo. Geography i, 57.
- Suidas, s.v.
This article incorporates text from Dictionary of Greek and Roman Biography and Mythology (1870) by William Smith, which is in the public domain.