Note 4 — Chapter III · Weapons, Tools, Pottery; Origin of the Use of Fire, Clothing, Ornaments; Early Artistic Efforts.
N. D'Anvers translation
Chelléen, so called from their having been found at Chelles (Seine-et-Marne), where the remains of the Elephas antiquus, the most ancient of the pachyderms now known in Europe, was associated with these tools.