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 Calonectris Mathews & Iredale, 1915
             1 Calonectris leucomelas (Temminck, 1836) - streaked shearwater
             2 Calonectris diomedea (Scopoli, 1769) - Cory's shearwater