(Enaliarctos_mealsi,((Thalassoleon_mexicanus,Afrophoca_lybica,(Otaria_flavescens,Arctocephalus_pusillus)),(Odobenus_rosmarus,(Allodesmus_kernensis,((Kawas_benegasorum,Prophoca_rousseaui,Leptophoca_lenis,(Erignathus_barbatus,(Phoca_vitulina,Halichoerus_grypus))),(Mirounga_leonina,Callophoca_obscura,Hadrokirus_martini,Piscophoca_pacifica,Homiphoca_capensis,Properiptychus_argentinus,Australophoca_changorum,(Monachus_monachus,Pliophoca_etrusca),(Acrophoca_longirostris,(Leptonychotes_weddelli,Ommatophoca_rossi,(Lobodon_carcinophaga,Hydrurga_leptonyx)))))))));