Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Procellariiformes Fürbringer, 1888
         Family Procellariidae Leach, 1820 - petrels, shearwaters
           Genus Fulmarus Stephens, 1826
             Fulmarus glacialis (Linnaeus, 1761) - northern fulmar
               1 Fulmarus glacialis glacialis (Linnaeus, 1761)
               2 Fulmarus glacialis auduboni Bonaparte, 1857
               3 Fulmarus glacialis rodgersii Cassin, 1862