Noun triakidae has 1 sense
  1. Triakidae, family Triakidae - small smooth-skinned sharks lacking spines on dorsal fins
    --1 is a kind of fish family
    --1 is a member of
     Elasmobranchii, subclass Elasmobranchii, Selachii, subclass Selachii
    --1 has members:
     Mustelus, genus Mustelus; smooth dogfish; Triaenodon, genus Triaenodon
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