Kajoit

Kajoit (Laridae) on randulinduloin linduheimo. 

Alaheimo: Anoinae, 2 genera, 6 species

Alaheimo: Rynchopinae

Alaheimo: Čiirakot - Sterninae

Alaheimo: Larinae
 Creagrus, 1 species
 Rissa, 2 species
 Pagophila, 1 species
 Xema, 1 species
 Chroicocephalus, 12 species
 järvikajoi (Chroicocephalus ridibundus)
 Hydrocoloeus, 1 species
 pienikajoi (Hydrocoloeus minutus)
 Rhodostethia, 1 species
 Leucophaeus, 5 species
 Ichthyaetus, 6 species
 mustupiäkajoi (Ichthyaetus ichthyaetus)
 Larus, 24 species:
 kalakajoi (Larus canus)
 merikajoi (Larus marinus)
 harmaikajoi (Larus argentatus)
 selgykajoi (Larus fuscus)