Passage 6.25.6
τοῦτο τὸ ἄγαλμα ἐλέγετο εἶναι Ποσειδῶνος, ἔχειν δὲ τὸ ἀρχαῖον ἐπὶ Σαμικῷ τῷ ἐν τῇ Τριφυλίᾳ τιμάς· μετακομισθὲν δὲ ἐς τὴν Ἦλιν τιμῆς μὲν καὶ ἐς πλέον ἔτι ἥκει, Σατράπην δὲ καὶ οὐ Ποσειδῶνα ὄνομα αὐτῷ τίθενται, μετὰ τὴν Πατρέων προσοίκησιν τὸ ὄνομα τοῦ Σατράπου διδαχθέντες· Κορύβαντός τε ἐπίκλησις ὁ Σατράπης ἐστί.
This statue was said to be of Poseidon and originally received honors at Samicum in Triphylia. After its transfer to Elis, it attained even greater recognition, but there they call it Satrapes rather than Poseidon, having learned the name Satrapes following the settlement of the people from Patrae. Satrapes is also surnamed Corybantes.