Aegista squarrosa explained

Aegista squarrosa is a species of air-breathing land snails, a terrestrial pulmonate gastropod in the family Camaenidae.

Subspecies:

• Aegista squarrosa squarrosa (A. Gould, 1859)
• Aegista squarrosa tokunoshimana (Pilsbry & Y. Hirase, 1904)

Description

(Original description in Latin) The 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.^[1]

Distribution

This species occurs on the Ryukyu Islands, Japan, and Korea.^[2]

References

• Minato, H. (1988). A systematic and bibliographic list of the Japanese land snails. H. Minato, Shirahama, 294 pp., 7 pls.

Notes and References

1. https://biodiversitylibrary.org/page/9493602 Gould, A. A. (1859). Descriptions of shells collected by the North Pacific Exploring Expedition. Proceedings of the Boston Society of Natural History. 6: 422–426.
2. 10.3897/BDJ.11.e96800 . Kimura . K. . Chiba . S. . Pak . J. H. . 2023 . Molecular investigation on diversity of the land snail genus Aegista (Gastropoda, Camaenidae) in South Korea . Biodiversity Data Journal . 11 . e96800. free . 38327297 . 10848476 .