Parent: Laridae (Gulls)

└─ Chroicocephalus

└─── Chroicocephalus brunnicephalus (Brown-headed gull)

└─── Chroicocephalus bulleri (Black-billed gull)

└─── Chroicocephalus cirrocephalus (Grey-hooded gull)

└─── Chroicocephalus genei (Slender-billed gull)

└─── Chroicocephalus hartlaubii (Hartlaub's gull)

└─── Chroicocephalus maculipennis (Brown-hooded gull)

└─── Chroicocephalus novaehollandiae (Silver gull)

└─── Chroicocephalus philadelphia (Bonaparte's gull)

└─── Chroicocephalus ridibundus (Common black-headed gull)

└─── Chroicocephalus saundersi (Saunders's gull)

└─── Chroicocephalus scopulinus (Red-billed gull)

└─── Chroicocephalus serranus (Andean gull)