[8][9] This family was classified within the clade Eupulmonata, which was within the informal group Basommatophora, according to the Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005).

[10] Various authors have referred some North American fossil shells to "Otinidae",[1] but they did not give a genus or species for these records.

It occurs on the coasts of the Northeastern Atlantic Ocean in Western and South-Western Europe:[11] The type locality is Devonshire, England.

[11] The aperture is oval and very large, like in succineids, columellar and parietal sides of the margin thickened.

Otina ovata lives in intertidal zone on rocks, algae and balanoids.