OTODUS MEGALODON TOOTH. Ca. 23 - 20 million years ago. A fossil megalodon tooth. The crown has a smooth labial face and a gently convex lingual face, preserving a broad dark bourlette. The root has a rough, porous, bone-like texture. Size: 115mm x 106mm; Weight: 231g Provenance: From the private collection of an Essex gentleman; previously in an old British Collection, formed in the 1980s.