original description
(of Anisus (Gyraulus) laevis infirmus Mori, 1938) Mori S. (1938). Classification of the Japanese Planorbidae. <em>Memoirs of the College of Science, Kyoto Imperial University, Series B (Biology).</em> 14(2): 279-300.
page(s): 298, pl. 18, Fig. 16 [details]
basis of record
Saito, T.; Chiba, S.; Fukuda, H. (2020). Type materials of the species of the Planorbidae (Mollusca, Gastropoda, Hygrophila) described by Shuichi Mori. <em>Molluscan Research.</em> 40(2): 169-182., available online at https://doi.org/10.1080/13235818.2020.1724604
page(s): 172, fig. 2 [details] Available for editors [request]
From editor or global species database
Type locality Russia, Kurile Islands, a river flowing into Itubisinai-Ko, Tisima’ [Lake Ichibishinai, Kunashiri Island, Tomari-mura, Kunashiri-gun, off northeastern Hokkaido [details]