Boonea bisuturalis (also known as the three-toothed odostome or the two-groove odostome) is a species of small sea snail, a pyramidellid gastropod mollusk or micromollusk in the family Pyramidellidae, the pyrams and their allies.

[2] This species is ectoparasitic (an external parasite) on various bivalves and other gastropods.

Its preferred hosts are the common periwinkle Littorina littorea, the mud snail Tritia obsoleta and the eastern oyster Crassostrea virginica [3] The length of the shell varies between 2.8 mm and 5.8 mm.

The 5-6 whorls of the teleoconch show an impressed revolving line below the suture.

[4] This marine species occurs off Gulf of St Lawrence, Canada, and can exceed distribution throughout marine areas ranging from Canada to the state of Delaware, USA.