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Elasmobranchii
Elasmobranchii is a subclass of shark-like fish. They have 5-7 gill slits, fairly rigid fins, placoid scales, a spiracular opening behind the jaws, numerous teeth, and claspers on the ventral fins of the male.
Elasmobranchii is a subclass of shark-like fish. They have 5-7 gill slits, fairly rigid fins, placoid scales, a spiracular opening behind the jaws, numerous teeth, and claspers on the ventral fins of the male.
