The 8 groups of sharks Photo by Matt Watersĭifferent types of sharks fall under eight orders or groups. The oldest shark tooth found dates back as far back as 400 million years from the Devonian period.
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However, shark teeth, skin scales, vertebrae, and shark tissues give us some clues to how sharks evolved from then until now. Unlike dinosaurs, mammals, and reptiles, a shark is a cartilaginous fish, like rays and skates, and does not leave behind bone fossils. The first sharks evolved over 400 million years ago 8.
It will interest you to know that these creatures have been around longer than dinosaurs. While our ocean facts and whale facts cover their watery home and the largest mammals they share it with. Keen to read up more on these fascinating animals, our shark quotes explore what people have to say about them, from history through legend and famous films. This article will dive into the shark world to explore the different types of sharks. They also have a strong sense of smell and other senses that help them detect their next meal. Sharks have a muscular streamlined frame that allows them to swim fast in search of prey. Sharks are fantastic, fierce creatures that have a reputation for hunting as natural predators in the oceans. Today, we have over 500 different types of shark species in 8 different orders living in just about every ocean worldwide with varying lengths and sizes.
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