Mosasaur Tooth in Matrix $45.00This fossilized Mosasaur tooth comes embedded in a sandstone matrix and belonged to a large marine reptile that ruled the oceans during the Late Cretaceous period, about 8266 million years ago. Mosasaurs were apex predators with sharp, conical teeth adapted for catching fish and other marine prey. Each specimen is unique, with natural variations in size, color, and texture, and measures approximately 35 inches in diameter. Why Youll Love This: Real