Parent: Myrmotherula

└─ Myrmotherula axillaris (White-flanked antwren)

└─── Myrmotherula axillaris albigula

└─── Myrmotherula axillaris axillaris

└─── Myrmotherula axillaris fresnayana

└─── Myrmotherula axillaris heterozyga

└─── Myrmotherula axillaris melaena