The concept of the Gorgon is at least as old in classical Greek mythology as Perseus and Zeus. The name is Greek, being derived from "gorgos" and translating as "terrible" or "dreadful". Gorgoneia (figures depicting a Gorgon head, see below) first appear in Greek art at the turn of the 8th century BC. One of the earliest representations is on an electrum stater discovered during excavations at Parium. Other early eighth-century examples were found at Tiryns. Going even further back into history, there is a similar image from the Knossos palace, datable to the 15th century BC. Marija Gimbutas even argues that "the Gorgon extends back to at least 6000 BC, as a ceramic mask from the Sesklo culture ...". She also identifies the prototype of the "Gorgoneion" in Neolithic art motifs, especially in anthropomorphic vases and terracotta masks inlaid with gold.