Assiminea japonica

Assiminea japonica
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Assimineidae
Genus:	Assiminea
Species:	A. japonica
Binomial name
Assiminea japonica E. von Martens, 1877
Synonyms [1]
Assiminea japonica septentrionalisHabe, 1942 Assiminea lutea japonicaE. von Martens, 1877 superseded combination Assiminea septentrionalisHabe, 1942

Assiminea japonica is a species of small operculate snail, a marine gastropod mollusc or micromollusc in the family Assimineidae. ^[1]

Description

The length of the shell attains 7 mm, its diameter 5 mm.

(Original description in Latin) The shell is lacks an umbilicus and convexly conical. It is rather solid, striate, and lacks any impressed spiral lines. The color is blackish-olive. It has 4½ rather convex whorls, which are separated by a sufficiently deep suture. The upper whorls are eroded. The body whorl is faintly angulate, and its base is slightly convex. The aperture is moderately oblique and pear-shaped. It is sharp above. The peristome is blunt and straight. The inner lip is thickened and whitish. ^[2]

Distribution

This terrestrial species occurs in brackish waters in Japan and Korea.

References

1. Assiminea japonica E. von Martens, 1877 . 28 November 2025. Retrieved through: World Register of Marine Species .
2. Martens, E. von (1877). "Uebersicht über die von den Herren Hilgendorf und Dönitz in Japan gesammelten Binnenmollusken". Sitzungsberichte der Gesellschaft naturforschender Freunde zu Berlin. 1877: 116. Retrieved 28 November 2025. This article incorporates text from this source, which is in the public domain .

• Habe, T. (1942). Classification of Japanese Assimineidae. Venus. 12(1–2): 32–56, pls 1–4. page(s): 39, pl. 1, fig. 2; pl. 4, fig. 13
• Fukuda H. & Hasegawa K. (2017). Family Assimineidae. Pp. 813–816, in: T. Okutani (ed.), Marine Mollusks in Japan, ed. 2. 2 vols. Tokai University Press. 1375 pp
• Tashiro, M.; Tomiyama, K.; Morino, H. (2001). Distribution of the Brackish Water Snail, Assiminea japonicα Martens (Gastropoda: Assimineidae) along Hinuma Water System, Middle Japan, with a Comparison of Population Structure between Observation Sites. Venus (Journal of the Malacological Society of Japan). 60 (1–2): 79–9
• Okutani T., ed. (2000) Marine mollusks in Japan. Tokai University Press. 1173 pp.
• Liu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. China Science Press. 1267 pp.

External links

• Biolib.cz: image