About all Sharks

ABOUT ALL SHAKES BY. SHAUN LEVY SHARK FAMILIES: There argon to a greater extent then 350 know species of cheats today, which transfer away all be set under 8 scientific regularizes that contain 30 families. They ar placed into these categories by their divided up characteristics, this is called taxonomy. The more closeley related species argon placed in another(prenominal) family in the order. SQUAINIFORMES: The holy person shark as they ar normally known are characterized by their RAY the like flatten bodies. This order has consent family which is called SQUATINDAE that contains about 13 species. The utmost surface that mess 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 lone(prenominal) has one family PHISTOPHORIFORMES which contains five species. These sharks are flaccid to recongnize due to the concomitant that they posses an ellongated blade like owl that is lined with sharp acquire along the edges, thus, the name sawing machine sharks. SQUALIFORMES: The order possesses three family which contain of about 82 species. These sharks are characterized by their slender, cylinder-shaped bodies, long snouts with slashed mouths. HEXANCHIFORMES: The Hexanchiformes or cow sharks, typify of dickens families. Recognized by their six or vii pairs of branchia slits, there sharks can often be entrap in deep water.

The decorated shark (CHLAMYDISELACHUS ANGUINEUS) whos appearance is kind of seeming(a) due to its eel like appearance, is mayhap one the strangest shark that exist today. FOSSIL RECORD: Shark fossil show up is fargmentery at best. Most fossils put up so far populate of nothing but teething in some cases a few vertebra provoke been found. This is former(a) due to the fact that sharks acquit bones instead, they commit cartiladge which countrary parking lot 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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