Lewis & Short

Thēricles, is, m., = Θηρικλῆς, a famous potter of Grecian antiquity, Plin. 16, 40, 76, § 205 (from Theophr. Hist. Plant. 5, 4).
Hence, Thēriclēus or -īus, a, um, adj., of or belonging to Thericles, Thericlean: pocula, Cic. Verr. 2, 4, 18, § 38.