Taxonomic assessment of genetically-delineated species of radicine snails (Mollusca, Gastropoda, Lymnaeidae) Author Vinarski, Maxim V. Laboratory of Macroecology and Biogeography of Invertebrates, Saint-Petersburg State University, 7 / 9 Universitetskaya Emb., 199034, Saint-Petersburg, Russia & Omsk State University, 28 Adrianova Str., 644077, Omsk, Russia https://orcid.org/0000-0002-7644-4164 radix.vinarski@gmail.com Author Aksenova, Olga V. Laboratory of Macroecology and Biogeography of Invertebrates, Saint-Petersburg State University, 7 / 9 Universitetskaya Emb., 199034, Saint-Petersburg, Russia & N. Laverov Federal Center for Integrated Arctic Research, Ural Branch of the Russian Academy of Sciences, 23 Severnaya Dvina Emb., 163000, Arkhangelsk, Russia https://orcid.org/0000-0002-0817-7105 Author Bolotov, Ivan N. N. Laverov Federal Center for Integrated Arctic Research, Ural Branch of the Russian Academy of Sciences, 23 Severnaya Dvina Emb., 163000, Arkhangelsk, Russia & Northern (Arctic) Federal University, 17 Severnaya Dvina Emb., 163002, Arkhangelsk, Russia https://orcid.org/0000-0002-3878-4192 text Zoosystematics and Evolution 2020 96 2 577 608 http://dx.doi.org/10.3897/zse.96.52860 journal article http://dx.doi.org/10.3897/zse.96.52860 1860-0743-2-577 D4882E78D81B5FA394A6A156886835E4 B8CF4E84-1FEE-46F3-B275-BAFA6824902B 14. Ampullaceana intermedia (Lamarck, 1822) Fig. 7I ; Table 2 Lymnaea intermedia Lamarck 1822 : 162. Limnea intermedia - Michaud 1831 : 86, pl. XVI, figs 17, 18. Limnaeus intermedius - Kuester 1862 : 12, Taf. 2, figs 21, 22. Limnaea intermedia - Sowerby 1872 : pl. III, fig. 16; Kobelt 1912 : 18, Taf. CCCCLXXXVIII, fig. 2602. Lymnaea peregra - Hubendick 1951 : 146, figs 1, 9 (partim). Lymnaea (Peregriana) intermedia - Kruglov and Starobogatov 1983b : 1468, fig. 2(9); 1993b: 165, fig. 4B; Khokhutkin et al. 2009 : 85, fig. 36; Andreeva et al. 2010 : 125, fig. 64. Radix (Peregriana) intermedia - Vinarski and Kantor 2016 : 331. Ampullaceana intermedia - Aksenova et al. 2018a : 4. TL. France, Quercy Plateau. Types. Most probably lost ( Mermod 1952 ). Aksenova et al. (2018a) used the binomen Lymnaea intermedia Lamarck, 1822 to designate a radicine species, sister to A. balthica , which is widely distributed in France and Spain. Since the type specimen, mentioned by Lamarck (1822) , is probably lost, we based our understanding of this taxon on examination of both historical samples of it (see, for example, specimen of L. intermedia collected in Lyon, France, in the first half of the 19th century: Fig. 7I ) and some old literary sources, dealing with lymnaeids of Western Europe ( Michaud 1831 ; Kuester 1862 ; Sowerby 1872 ; Kobelt 1912 ). Conchologically, shells of A. intermedia resemble those of A. balthica , but can be distinguished from the latter by higher spire and less inflated body whorl. Modern European authors do not accept A. intermedia as a valid species ( Gloeer 2002 ; Welter-Schultes 2012 ), whereas malacologists of the former USSR still mention this taxon as a species closely allied to A. balthica ( Kruglov and Starobogatov 1993b ; Khokhutkin et al. 2009 ; Andreeva et al. 2010 ; Vinarski and Kantor 2016 ). The concept of this species proposed by Kruglov and Starobogatov (1983b , 1993b ) coincides with that of old European authors ( Michaud 1831 ; Kuester 1862 ; Sowerby 1872 ). However, we still do not possess any sequence of A. intermedia from the countries lying east of France and the actual range of this species remains unknown. The Russian authors repeatedly recorded this species from different regions of Russia, including the Urals and Siberia ( Kruglov and Starobogatov 1993b ; Khokhutkin et al. 2009 ; Andreeva et al. 2010 ), but all these records were based solely on morphological data and need to be confirmed molecularly.