Oligospira
Oligospira is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Acavidae. These snails are endemic to Sri Lanka. Three species are recognized. They have relatively round shells with flat tops. Species Oligospira polei (Collet, 1899) Oligospira skinneri (Reeve, 1854) Oligospira waltoni (Reeve, 1842) References External links Photos of Oligospira waltoni Deniyaya, Sri Lanka