Sphyrna mokarran Sphyrna mokarran, the Great Hammerhead Shark, is a Chronodrichtyes, a cartilaginous fish in taxonomic species term. The skeletal structure of hammerheads is made of hard cartilage rather than bone. Furthermore, the hammerhead shark is found in the Chordata phylum and is a part of the Vertebrata sub-phylum, therefore they have a notochord, spinal cord, and backbone; a notochord is a long, flexible rod that runs down the longitudinal part of the body and is made out of cells in a tough…
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