#genus_Mustelus__Mustelus  smooth dogfishes
  supertype:  fish_genus  any of various genus of fish
  member of:  family_Triakidae
  member:  American_smooth_dogfish__Mustelus_canis  found along the Atlantic coast of the Americas
  member:  Florida_smoothhound__Mustelus_norrisi  found from the northern Gulf of Mexico to Brazil

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