Parent: Cyrtonyx (Montezuma quails)

└─ Cyrtonyx montezumae (Montezuma quail)

└─── Cyrtonyx montezumae mearnsi

└─── Cyrtonyx montezumae merriami (Merriam's montezuma quail)

└─── Cyrtonyx montezumae montezumae

└─── Cyrtonyx montezumae rowleyi

└─── Cyrtonyx montezumae sallei