#class_Hirudinea__Hirudinea  hermaphroditic aquatic or terrestrial or parasitic annelids
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member of:  phylum_Annelida
  member:  bloodsucker__leech__hirudinean  carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end
  member:  family_Hirudinidae__Hirudinidae  a family of Hirudinea
     member:  genus_Hirudo__Hirudo  type genus of the family Hirudinidae
        member:  medicinal_leech__medicinalleech__Hirudo_medicinalis  large European freshwater leech formerly used for bloodletting
     member:  genus_Haemopis__Haemopis  leeches
        member:  horseleech  any of several large freshwater leeches

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