Polyphemus
2. A son of Elatus or Poseidon and Hippea, was one of the Lapithae at Larissa in Thessaly. He was married to Laonome, a sister of Heracles, with whom he was connected by friendship. He was also one of the Argonauts, but being left behind by them in Mysia, he founded Cios, and fell against the Chalybes. (Hom. Il. 1.264; Schol. ad Apolton. Rkod. 1.40, 1241, 4.1470; V. Fl. 1.457; Apllod. 1.9. §§ 16, 19.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.