Frilled sharks are notorious for their odd dentition. Approximately 300, three-pointed teeth set into 27 rows fill the mouths of Frilled Sharks. Do the math and you’ll find that every Frilled Shark has about 1000 pointy hooks to grab onto its fishy prey. Primitive maybe, deadly definitely.
Frilled Sharks are deepwater fish that are rarely seen at the surface, though they are often caught by bottom trawlers. Long and eel-like, Frilled Sharks are sometimes considered to be “throwbacks” to the early period of shark evolution though their existence today is testament to the success they have found in their particular ecological niche.
Dinosaur Feathers Found in Amber Reinforce Evolution Theories
Dinosaur feathers in amber This birdlike dinosaur's plumage was much more reduced compared with the feathers on some of its contemporaries, which suggests that feathering was already diversified by the Late Jurassic, adapted to different ecological niches and purposes, the researchers said. (The Jurassic period lasted from about 199.6 million to 145.5 million years ago.)