Phylum Chordata Bateson, 1885 - chordates
Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Neornithes Gadow, 1893
see Clade Neornithes Gadow, 1893
Superorder Neognathae Pycraft, 1900
see Cohort Neognathae Pycraft, 1900
Order Procellariiformes Fürbringer, 1888
Family Procellariidae Leach, 1820 - petrels, shearwaters
Genus Procellaria Linnaeus, 1758
1 Procellaria cinerea Gmelin, 1789 - grey petrel
2 Procellaria aequinoctialis Linnaeus, 1758 - white-chinned petrel
3 Procellaria parkinsoni Gray, 1862 - Parkinson's petrel
4 Procellaria westlandica Falla, 1946 - Westland petrel