Besla waitangiensis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of twelve known species within the Besla genus of gastropods. The species is one of three species within the Besla genus to have a binomial name accepted by Charles Reed Laws in 1941, with the exception of the other two being Besla rossiana and Besla vaga.

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