Pleurotoma tuberculifera Broderip & Sowerby I, 1829 Knefastia tuberculifera is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.

[1] The length of the shell varies between 40 mm and 80 mm.

This marine species occurs in the Sea of Cortez, Western Mexico and down to Nicaragua

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