Infraorder
Cyclorrhapha (Cyclorrhaphan flies)
Criorhina nigripes. Photo: (c) Michael Kauffmann, some rights reserved (CC BY-ND)
Cyclorrhapha is an unranked taxon within the infraorder Muscomorpha. They are called “Cyclorrhapha” (‘circular-seamed flies’) with reference to the circular aperture through which the adult escapes the puparium. This is a circumscriptional name that has significant historical familiarity, but in the present classification, this name is synonymous with the more recent “Muscomorpha”; details and reasoning are presented here.
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