Parent: Monasa

└─ Monasa morphoeus (White-fronted nunbird)

└─── Monasa morphoeus boliviana

└─── Monasa morphoeus fidelis

└─── Monasa morphoeus grandior

└─── Monasa morphoeus morphoeus

└─── Monasa morphoeus pallescens

└─── Monasa morphoeus peruana

└─── Monasa morphoeus sclateri