(Hymenostomatida) (Hymenostomatida) is a biological order of the phylum Ciliophora and class Ciliatea.
Cinetochilidae
Cohnilembidae
Cyclidiidae
Frontoniidae
Glaucomidae
Lembadionidae
Loxocephalidae
Ophryoglenidae
Parameciidae
Parauronematidae
Pleuronematidae
Tetrahymenidae
Turaniellidae
Urocentridae
Uronematidae
Apostomatida
Astomatida
Chonotrichida
Cyrtophorida
Entodiniomorphida
Gymnostomatida
Heterotrichida
Hymenostomatida
Hypotrichida
Odontostomatida
Oligotrichida
Peritrichida
Rhynchodida
Suctorida
Trichostomatida