Nerita atramentosa, common name the black nerite, is a medium-sized sea snail, a marine gastropod mollusc in the family Neritidae, the nerites.

There has been some confusion over the taxonomy of the genus Nerita in the Pacific region; however, Nerita atramentosa and Nerita melanotragus are now recognised as separate species (the two have often been considered to be the same species).

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