Radix auricularia Linnaeus 1758

• Main Authors: Bolotov, Ivan, Bespalaya, Yulia, Aksenova, Olga, Aksenov, Andrey, Bolotov, Nikita, Gofarov, Mikhail, Kondakov, Alexander, Paltser, Inga, Vikhrev, Ilya
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Hygrophila; Lymnaeidae; Radix; Radix auricularia; Kamchatka; Sakhalin
• Online Access: https://doi.org/10.5281/zenodo.5662764; http://treatment.plazi.org/id/B31787903555FFA2FF6DF96A4BE601B9

Radix auricularia (Linnaeus, 1758) (Figs. 1–7, Table 1) Lymnaea ( Radix ) hadutkae Kruglov & Starobogatov, 1989 syn. n. : 22, figs. 1.12 & 2.7; Kruglov & Starobogatov, 1993: 85, fig. 11D Lymnaea ( Radix ) thermokamtschatica Kruglov & Starobogatov, 1989 syn. n. : 22, figs. 1.9 & 2.9; Kruglov & Starobogatov, 1993: 85, fig. 11E Material examined. Holotype of Lymnaea ( Radix ) hadutkae (ZIN), Kamchatka: “Khodutkinskiy hot spring, gradient t° = 15–41°[C], opt. ~ 25–27°[C], 8.ix.1979, N.N. Khmeleva leg.” (no. 510–1982). Holotype of Lymnaea ( Radix ) thermokamtschatica (ZIN), Kamchatka: “Khodutkinskiy hot spring, gradient t° = 15–41°[C], opt. ~ 25–27°[C], 8.ix.1979, N.N. Khmeleva leg.” (no. 510–1982). Topotypes (INEP), 31 specimens, Kamchatka: Khodutka geothermal area, warm lake and warm river source, 6th June 2013, Aksenova, Bespalaya & Bolotov leg. (INEP). Kamchatka: 6 specimens, Paratunskie hot springs, 8th June 2013, Aksenova, Bespalaya & Bolotov leg.; 7 specimens, Malkinskie hot springs, 3rd July 2012, Bespalaya, Bolotov & Vikhrev leg.; 4 specimens, Plotnikova River (Bolshaya River Basin), 3rd July 2012, Bespalaya, Bolotov & Vikhrev leg. (INEP). Kurile Archipelago: 9 specimens, Kunashir Island, Aliger Lake, 27th July 2011, Bespalaya & Aksenova leg. (INEP). Sakhalin Island: 2 specimens, Tym River, 14th June 2012, Bespalaya, Bolotov & Vikhrev leg. (INEP). Primorye: 3 specimens, a small pond near Razdolnaya River, 25th June 2012, Bespalaya, Bolotov & Vikhrev leg; 4 specimens, Ussuri River (Amur River Basin), 20th June 2012, Bespalaya, Bolotov & Vikhrev leg. (INEP). Locality coordinates are given in Appendix 1. Description. Specimens from the Khodutka geothermal area are very small with shell height 7.0– 14.6 mm, width 4.0– 9.5 mm. Shell is glossy, dark-yellow or light brownish, elongated, with 4 whorls enlarging slowly (Figs. 1–3). The spire is long, widely conical, in adult shells often destroyed on the top (likely due to the geothermal water influence). The ...