Parent: Trochilidae (Hummingbirds)

└─ Chalcostigma

└─── Chalcostigma herrani (Rainbow-bearded thornbill)

└─── Chalcostigma heteropogon (Bronze-tailed thornbill)

└─── Chalcostigma olivaceum (Olivaceous thornbill)

└─── Chalcostigma ruficeps (Rufous-capped thornbill)

└─── Chalcostigma stanleyi (Blue-mantled thornbill)