Family Oligacanthorhynchidae
 
Macracanthorhynchus Travassos, 1917
 
  Macracanthorhynchus hirudinaceus (Pallas, 1781) (Sa) [M]
 
Nephridiorhynchus Meyer, 1931
 
  Nephridiorhynchus major (Bremser, 1811) (Si) [M]

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