Parent: Laridae (Gulls)

└─ Leucophaeus

└─── Leucophaeus atricilla (Laughing gull)

└─── Leucophaeus fuliginosus (Lava gull)

└─── Leucophaeus modestus (Gray gull)

└─── Leucophaeus pipixcan (Franklin's gull)

└─── Leucophaeus scoresbii (Dolphin gull)