Parent: Trochilidae (Hummingbirds)

└─ Discosura

└─── Discosura conversii (Green thorntail)

└─── Discosura langsdorffi (Black-bellied thorntail)

└─── Discosura letitiae (Coppery thorntail)

└─── Discosura longicaudus (Racquet-tailed coquette)

└─── Discosura popelairii (Wire-crested thorntail)