Created by Charles Lucien Bonaparte in 1857, the genus contains five species which are collectively referred to as "sulphur-bellied flycatchers"; that name is also given to one of the individual species in the genus.

[2] The genus name Myiodynastes is a compound word composed from two Greek words: muia, meaning "fly" and dunastẽs, meaning "ruler".

[3] The genus contains five species:[4]

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