Question

who sea species is only extant member of the family "Rhincodontidae" ?​

Answer 1

Answer:

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Explanation:

whale shark

Answer 2

Answer:

whale shark

whale sharkThe whale shark holds many records for size in the animal kingdom, most notably being by far the largest living nonmammalian vertebrate. It is the sole member of the genus Rhincodon and the only extant member of the family Rhincodontidae, which belongs to the subclass Elasmobranchii in the class Chondrichthyes.