Chlamydoselachidae

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Chlamydoselachidae (frilled shark; subclass Elasmobranchii, order Hexanchiformes) A monospecific (Chlamydoselachus anguineus) family of marine shark, which has six pairs of gill clefts, the first one continuing below the throat to join its counterpart on the other side. The single dorsal and the anal fins are set far back on the body. The frilled shark has a somewhat snake-like appearance due to its elongate body, flat head, and large mouth. Probably it lives in deep water. It has a world-wide distribution.

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Chlamydoselachidae

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