肋蜷科（学名：Pleuroceridae），是腹足纲蟹守螺超科之下的一个科，包括有150多个物种，主要是小型到中型的淡水螺，有鳃。 。

肋蜷科的分类变化颇大。根据甘武(2007)引述，Thiele(1928)、WenZ(1939)及刘月英(1979)认为肋蜷科应被视为黑螺科（Melaniidae）存在；而Yen(1939;1942)、WenZ(1960)及Brown(1980)则认为肋蜷科应归入跑螺科（Thiaridae）；但现时的分类都依从Morrison(1954)的分类，按生殖系统的差异而把旧有的黑螺科分成跑螺科、肋蜷科及狭义的黑螺科。

Pleuroceridae, common name pleurocerids, is a family of small to medium-sized freshwater snails, aquatic gilled gastropod mollusks in the superfamily Cerithioidea.These snails have an operculum and typically a robust high-spired shell.

Reproduction is iteroparous, and juvenile snails emerge from eggs laid on a firm surface by a gonochoristic female. There is no veliger stage.