Odostomellinae Odostomellini is a taxonomic tribe of minute sea snails, marine gastropod molluscs within the family Pyramidellidae the pyrams and their allies.

Odostomellinae has been one of eleven recognised subfamilies of the family Pyramidellidae (according to the taxonomy of Ponder & Lindberg, 1997).

Genera within the tribe Odostomellini include: The subfamily occurs in tropic and temperate seas.

Instead their long proboscis is used to pierce the skin of its prey and suck up its fluids and soft tissues.

Between the head and the foot, a lobed process called the mentum (= thin projection) is visible.