5.5 Inch Black Megalodon Tooth Replica with Serrations! Top Quality Resin Replica - Shark Tooth These are beautiful Megalodon tooth replicas. Each tooth is completely black and measures about 5.5 inches long These replicas have amazing detail, including full serrations! These are a great inexpensive alternative to real Megalodon teeth. Are great for children or collectors who want to own a near perfect tooth. Please note these are replicas, not original teeth. These replicas were cast from a genuine Carcharodon Megalodon tooth The Carcharodon Megalodon was estimated to be around 55 feet long! This was the largest shark to roam the oceans.