(Macracanthorhynchus) (Macracanthorhynchus) is a biological genus in the family Oligacanthorhynchidae and order Oligacanthorhynchida.
Macracanthorhynchus catulinus
Macracanthorhynchus erinacei
Macracanthorhynchus hirudinaceus
Macracanthorhynchus ingens
Cucullanorhynchus
Heptamegacanthus
Macracanthorhynchus
Multisentis
Neoncicola
Nephridiacanthus
Oligacanthorhynchus
Oncicola
Pachysentis
Paraprosthenorchis
Prosthenorchis
Tchadorhynchus