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The Concept Map you are trying to access has information related to:
Ex 4C-Vertebrate Phyl, 4 can have Jaw, 4 digits on front feet is class 14, 5 can be Placoid Scales, 9 is class Chondrichtheys, Chondrichtheys example C, Reptilia example G, Bone has Jaw, More than 7 gill slits also has 8, Fusiform made of Bone, no scales can have exactly 7 gill slits