Odostomia clessini is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

According to ITIS, this species is a synonym of Odostomia tenuisculpta Carpenter, 1864. Dall & Bartsch made their distinction on the following basis : O. tenuisculpta has the incised spiral lines strong on the early whorls and much finer on the later turns, while O. clessini has the incised spiral lines only moderately strong.

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