Rissa Stephens 1826 (gull)
Reptilia - Charadriiformes - Laridae
PaleoDB taxon number: 145780
Alternative spelling: Larus (Rissa)
Parent taxon: Laridae according to J. F. Clements et al. 2017
Sister taxa: Anoinae, Anous, Chlidonias, Chroicocephalus, Creagrus, Gaviota, Gelochelidon, Gyginae, Gygis, Halcyornis, Hydrocoloeus, Hydroprogne, Larinae, Larosterna, Larus, Leucophaeus, Limosavis, Onychoprion, Pagophila, Pseudosterna, Rhodostethia, Rynchopinae, Sterna, Sterninae, Sternula, Thalasseus, Xema
Subtaxa: Rissa brevirostris, Rissa estesi, Rissa tridactyla
Ecology: ground dwelling carnivore