Drymaeus (Leiostracus) Albers, 1850 (unaccepted rank) Leiostracus is a genus of small to medium-sized neotropical, air-breathing land snails, pulmonate gastropod mollusks in family Simpulopsidae.

[2] This genus is endemic to South America, occurring in Guyana, Suriname and Brazil.

[3][4][5] Species in the genus Leiostracus include:[3][5]