So much of the literature has errors that have been recopied time and again that both the Handbook of the Birds of the World account of the Procellariidae (Carboneras 1992) and a recent photo i.d.
Taxonomic issues in the Procellariidae are legion and provide much entertainment.
Carboneras, C. FamilyProcellariidae (Petrels and Shearwaters) in Handbook of the Birds of the World (J. del Hoyo, A. Elliott, and J.
This split into two clades is thought to have occurred soon after Puffinus split from the other procellariids, with the genus originating in the north AtlanticOcean and the Neonectris clade evolving in the southern hemisphere.
The familyProcellariidae is the main radiation of medium-sized 'true petrels', characterised by united nostrils with medium septum, and a long outer functional primary.
The three species in the last genus are named as petrels
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