Parent: Picumnus

└─ Picumnus squamulatus (Scaled piculet)

└─── Picumnus squamulatus apurensis

└─── Picumnus squamulatus lovejoyi

└─── Picumnus squamulatus obsoletus

└─── Picumnus squamulatus roehli

└─── Picumnus squamulatus squamulatus