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(class Chondrichthyes)

A subclass of shark-like fish that have five to seven gill slits, fairly rigid fins, placoid scales, a spiracular opening behind the jaws, numerous teeth, and claspers on the ventral fins of the male. Modern elasmobranchs have a cartilaginous skeleton. Apart from modern sharks and rays, the subclass also includes many fossil species.

Subjects: Earth Sciences and Geography — Zoology and Animal Sciences.

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