Teretia teres is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
[2] Considered as specifically distinct from Teretia anceps (Eichwald, 1830), a Miocene fossil species, by Bouchet & Warén (1980).
[2] Shell up to 12 mm high, fusiform with acute spire and body whorl occupying about 60% of the total height.
Protoconch small, with 4 convex whorls and a sculpture of oblique threads forming a delicate reticulate pattern.
Aperture lanceolate, with outer lip simple and fragile, curved in lateral view and forming a very deep notch immediately beneath the suture.