Tag Archives: Hirasea biconcava

Hirasea biconcava Pilsbry

Concave Hirasea Snail (Hirasea biconcava 

This species was described in 1907, it was restricted to the island of Hahajima in the Ogasawara Islands, Japan.  

The shells reach a height of about 0,2 cm and are about 0,4 cm in diameter.  


This species is also treated as subspecies of the Plane Hirasea Snail (Hirasea planulata Pilsbry & Hirase) . 


Depiction from: ‘The Conchological Magazine 1907’  

(public domain)


edited: 11.05.2019