Parent: Threskiornithidae (Ibises)

└─ Bostrychia

└─── Bostrychia bocagei (Sao tome ibis)

└─── Bostrychia carunculata (Wattled ibis)

└─── Bostrychia hagedash (Hadada ibis)

└─── Bostrychia olivacea (Olive ibis)

└─── Bostrychia rara (Spot-breasted ibis)