Subfamily Rynchopinae Dickinson and Remsen 2013 (gull)
Aves - Charadriiformes - Laridae
Alternative spelling: Rynchopidae
Parent taxon: Laridae according to J. del Hoyo et al. 2014
See also De Pietri et al. 2011
Sister taxa: Anoinae, Anous, Chlidonias, Chroicocephalus, Creagrus, Gaviota, Gelochelidon, Gyginae, Gygis, Hydrocoloeus, Hydroprogne, Larinae, Larosterna, Larus, Leucophaeus, Limosavis, Onychoprion, Pagophila, Rhodostethia, Rissa, Sterna, Sterninae, Sternula, Thalasseus, Xema
Subtaxa: Rynchops
Ecology: ground dwelling carnivore
Distribution: found only at Extant Distribution (Quaternary of Brazil)