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Olenus
Olenus may also refer to a genus of trilobites.

In Greek mythology, Olenus (, Olenos) was the name of several individuals:

  1. Olenus, son of Hephaestus and father of Helike and Aex, two nurses of infant Zeus. A city in Aulis was named for him.
  2. Olenus, son of Zeus and Anaxithea, daughter of Danaus, eponym of a city in Achaea.
  3. Olenus, father of Tectaphus the Lapith.
  4. Olenus, a man who lived on Mount Ida. His wife Lethaea claimed she was more beautiful than any goddess. They were both turned to stone; although Olenus could have avoided this fate, he chose to be with his wife.
  5. Olenus, a Lelegian, father of Phoceus. His son was killed by the Argonauts.
Olenus (trilobite)

Olenus is a genus of Upper Cambrian ptychopariid trilobite.