(Θαύμας), a son of Pontus and Ge, and by the Oceanide Electra, the father of Iris and the Harpies. (Hes. Theog. 237, 265, &c. ; Callim. Hymn. in Del. 67 ; Ov. Met. 4.479, 14.845.) There is also mention of a Centaur Thaumas. (Ov. Met. 12.304.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890