About all Sharks

ABOUT ALL SHAKES BY. SHAUN LEVY SHARK FAMILIES: There ar to a greater extent then 350 know species of sharks today, which position away all be place under 8 scientific regularizes that contain 30 families. They be placed into these categories by their divided up characteristics, this is called taxonomy. The more closeley related species are placed in another(prenominal) family in the order. SQUAINIFORMES: The backer shark as they are normally known are characterized by their RAY standardised flatten bodies. This order has iodin family which is called SQUATINDAE that contains about 13 species. The utmost surface that open fire be attained by any(prenominal) one of these species is 4-6 feet in length. PRISTIOPHORIFORMES: These shark are known as the see shark. This order has only when has one family PHISTOPHORIFORMES which contains five species. These sharks are flaccid to recongnize due to the position that they posses an ellongated blade like owl that is lined with sharp produce along the edges, thus, the name byword sharks. SQUALIFORMES: The order possesses three family which exist of about 82 species. These sharks are characterized by their slender, cylinder-shaped bodies, long snouts with cut down mouths. HEXANCHIFORMES: The Hexanchiformes or cow sharks, even up of dickens families. Recognized by their six or seven-spot pairs of branchia slits, there sharks can often be put together in deep water.

The ruffled shark (CHLAMYDISELACHUS ANGUINEUS) whos appearance is sort of seeming(a) due to its eel like appearance, is maybe one the strangest shark that outlive today. FOSSIL RECORD: Shark fossil depict is fargmentery at best. Most fossils name so far dwell of nothing but odontiasis in some cases a few vertebra provoke been found. This is honest-to-goodness due to the fact that sharks piss bones instead, they induce cartiladge which countrary normal belief is rather solid. In the rarest of cases complete fossil have been discovered. If you want to get a full essay, order it on our website: Ordercustompaper.com

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