The megalodon (Carcharodon megalodon then Procarcharodon megalodon then Carcharocles megalodon and now Megaselachus megalodon) Carcharodon meaning "sharp teeth" and megalodon "with big teeth" was a prehistoric shark which populated the oceans 16 million years ago, and which became extinct 1.6 million years ago. It is considered to be the most fearsome super predatory fish of all time. Dating: 3 to 30 years ago, or more SPECIMEN : Megalodon Found in South of Morocco. COUNTRY OF ORIGIN : South of Morocco GEOLOGICAL PERIOD : Neogene, Miocene (23.03 - 5.33 million years) CONDITION : Natural TREATMENT : cleaned Length of diagonals: 6.4 x 5.8 centimeters Width: 5.2 centimeters Weight: 38 grams.