Traits taxon details
original description
(of Punctum apertum Pilsbry & Y. Hirase, 1904) Pilsbry, H. A. & Hirase, Y. (1904). Descriptions of new Japanese land shells. <em>The Nautilus.</em> 18(1): 3-9. [May 5]., available online at https://www.biodiversitylibrary.org/page/27054370 page(s): 5 [details]
additional source
Sysoev, A. V. & Schileyko, A. A. (2009). Land snails and slugs of Russia and adjacent countries. <em>Sofia/Moskva (Pensoft).</em> 312 pp., 142 plates. [June] [= Pensoft Series Faunistica No 87]. page(s): 115, Fig. 56B [details] Available for editors 
From editor or global species database
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