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Taxoncommuni nomineStatus
Creagrusgenus
Creagrus furcatusfull species
Rissagenus
Rissa tridactylaRissa tridactylafull species
Rissa tridactyla tridactylanominal subspecies
Rissa tridactyla pollicarissubspecies (candidate for split)
Rissa brevirostrisLarus brevirostrisfull species
Rissa estesifossil species (extinct)
Rissa [brevirostris or tridactyla]species group
Pagophilagenus
Pagophila eburneaPagophila eburneafull species
Xemagenus
Xema sabiniXema sabinifull species
Xema sabini (sabini)nominal suspecies (sensu stricto)
Xema sabini (palaearctica)junior synonym (or subspecies)
Xema sabini (tschuktschorum)junior synonym (or subspecies)
Xema sabini (woznesenskii)junior synonym (or subspecies)
Chroicocephalusgenus
Chroicocephalus (Gelastes)genus (synonym)
Chroicocephalus (Saundersilarus)genus (synonym)
Chroicocephalus (Bruchigavia)genus (synonym)
Chroicocephalus brunnicephalusLarus brunnicephalusfull species
Chroicocephalus cirrocephalusfull species
Chroicocephalus cirrocephalus cirrocephalusnominal subspecies
Chroicocephalus cirrocephalus poiocephalussubspecies

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