In Greek mythology, Celusa or Kelousa (Ancient Greek: Κηλοῦσαν or Κηλούσης Kelousê from kêloô ‘to have an abnormal delivery’) personified Mount CelusaXenophon, Hellenica 4.7.7 or CelossaStrabo, 8.6.24 (p. 382) in Phliasia. She born the river-god Asopus to Poseidon.Pausanias, 2.12.4 Otherwise, Celusa might be the same with Pero, the so called mother of the river-deity by the marine god.Apollodorus, 3.12.6

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