Parent: Tyrannidae (Tyrant flycatchers)

└─ Tolmomyias

└─── Tolmomyias assimilis (Yellow-margined flycatcher)

└─── Tolmomyias flaviventris (Ochre-lored flatbill)

└─── Tolmomyias poliocephalus (Grey-crowned flatbill)

└─── Tolmomyias sulphurescens (Yellow-olive flycatcher)

└─── Tolmomyias traylori (Orange-eyed flatbill)