Aegista squarrosaAegista squarrosa is a species of air-breathing land snails, a terrestrial pulmonate gastropod in the family Camaenidae.;Subspecies:Aegista squarrosa squarrosa ''Aegista squarrosa tokunoshimana''DescriptionThe shell is planorboid and somewhat squarish, with a coloration that is ochreous-corneous and paler on the underside. It has a convex shape and a broad umbilicus. There are six whorls that are convex and subangular at the periphery. The aperture is small, narrow, and lunate, with a simple peristome that is reflexed towards the columella.DistributionThis species occurs on the Ryukyu Islands, Japan, and Korea.