The nematoceran infraorder Psychodomorpha (sometimes misspelled Psychomorpha - which is also the name of a genus of noctuid moths) includes three families, Psychodidae, Blephariceridae, and Tanyderidae, as well as the superfamily Scatopsoidea, which contains the families Canthyloscelidae, Scatopsidae and Valeseguyidae.
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