J. F. Gmelin, 1789,
Tahiti and Moorea = Tahiti.
May have formed a species-group with †P. ellisi, †P. cancellata and P. parvirostris. †P. ellisi was historically considered a synonym of present species, but has been shown to be a valid species#R. Monotypic.
Tahiti, in Society Is (French Polynesia)#R. Only two known specimens, one lost.
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