Sharks Don’t Have Bones To Fossilize, So How Do We Know Megalodon’s Size?Sharks, rays, and chimaeras are collectively known as cartilaginous fish, because instead of bones, they have cartilage material like humans have in our noses and ears. That certainly seems to work out well for them, given their long reign and the diverse niches they occupy, but it’s not so great for humans wanting to draw...
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