Aegista accrescens explained

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

Subspecies:

• Aegista accrescens accrescens (Heude, 1882)
• Aegista accrescens initialis (Heude, 1882)

Description

The diameter of the shell attains 16.5 mm.

The shell is widely umbilicated. It is thin, pellucid corneous, with a whitish peripheral band. The shell contains seven whorls. These are narrow, slightly convex and slowly increasing. The body whorl is obtusely angulated. The peristome is white and narrowly reflected.^[2]

Distribution

This species occurs in China; type locality: Wuchang, Hubei.

External links

• Heude, P. M. (1882–1890). Notes sur les mollusques terrestres de la vallée du Fleuve Bleu. Mémoires concernant l'histoire naturelle de l'Empire chinois.
• Teng-Chien Yen, Review and Summary of Tertiary and Quaternary Non-Marine Mollusks of China; Proceedings of the Academy of Natural Sciences of Philadelphia Vol. 95 (1943), pp. 267-309+346
• Harvard University, Museum of Comparative ZoologyHelix accrescens Heude, 1882
• Web site: MCZbase MCZ:Mala:167225 specimen record. Museum of Comparative Zoology, Harvard University. MCZbase. 8 May 2024.
• Gbif.org: image
• Conchology.be: image
• Researchgate.net: image of interior

Notes and References

1. MolluscaBase eds. (2024). MolluscaBase. Aegista accrescens (Heude, 1882). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1389837 on 2024-05-08
2. https://archive.org/stream/manuconcho24tryorich/manuconcho24tryorich_djvu.txt G.W. Tryon, Manual of conchology. Second series: Pulmonata vol. II