In Greek mythology, Epactaeus, Epactius, Epaktaios or Epaktios – that is, the god worshipped on the coast – was used as a surname of Poseidon in Samos, and of Apollo.
This article incorporates text from a publication now in the public domain: Leonhard Schmitz (1870). Smith, William (ed.). Dictionary of Greek and Roman Biography and Mythology. {{cite encyclopedia}}: Missing or empty |title= (help)