Lesueurillidae is an extinct family of paleozoic molluscs (gastropods?)

with anisostrophically coiled shells of uncertain position (Gastropoda?)

The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005[2] categorizes Lesueurillidae in the superfamilia Euomphaloidea within the Paleozoic molluscs with anisostrophically coiled shells of uncertain position (Gastropoda?).

Genera in the family Lesueurillidae include[3] Fossils of family Lesueurillidae has sharp peripheral band and a short notch formed from deep V-shaped sinus.

[1] They are similar to Maclurites but they differ in early ontogenesis from them.