Parent: Bucerotidae (Hornbills)

└─ Anthracoceros

└─── Anthracoceros albirostris (Oriental pied hornbill)

└─── Anthracoceros coronatus (Malabar pied hornbill)

└─── Anthracoceros malayanus (Black hornbill)

└─── Anthracoceros marchei (Palawan hornbill)

└─── Anthracoceros montani (Sulu hornbill)