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Due to extensive morphological variation and inadequately-sampled or poorly-designed studies, the taxonomy of the finless porpoises (genus Neophocaena) has been controversial for some time. An uneasy stability with the arrangement of finless porpoises into a single species consisting of three subspecies dominated for many years. However, in the past decade new data examining both morphological and molecular characters provided strong evidence for the existence of at least two distinctfatcat:2ufklusmyngira46heh7yowfju