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Aegista squarrosa

From Wikipedia, the free encyclopedia

Aegista squarrosa
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Camaenidae
Genus: Aegista
Species:
A. squarrosa
Binomial name
Aegista squarrosa
(A. Gould, 1859)
Synonyms[1]
  • Aegista (Aegista) squarrosa (A. Gould, 1859) (no subgenera are recognized)
  • Helix squarrosa A. Gould, 1859 (original combination)

Aegista squarrosa is a species of air-breathing land snails, a terrestrial pulmonate gastropod in the family Camaenidae.[1]

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

Description

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(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.[2]

Distribution

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This species occurs on the Ryukyu Islands, Japan,[1] and Korea.[3]

References

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  1. ^ a b c WoRMS. "Aegista squarrosa (A. Gould, 1859)". World Register of Marine Species. Retrieved 22 May 2024.
  2. ^ 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. Public Domain This article incorporates text from this source, which is in the public domain.
  3. ^ 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. doi:10.3897/BDJ.11.e96800. PMC 10848476. PMID 38327297.
  • Minato, H. (1988). A systematic and bibliographic list of the Japanese land snails. H. Minato, Shirahama, 294 pp., 7 pls.