Taxonomy and trans-Beringian biogeography of the pond snails (Gastropoda: Lymnaeidae) of East Asia: an integrative view Author Aksenova, Olga V. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia aksyonova.olga@gmail.com Author Vinarski, Maxim V. Laboratory of Macroecology and Biogeography of Invertebrates, Saint Petersburg State University, 7 / 9 Universitetskaya Embankment, 199034 Saint Petersburg, Russia Author Itagaki, Tadashi Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Morioka, Iwate, Japan Author Ohari, Yuma Laboratory of Veterinary Parasitology, Faculty of Agriculture, Iwate University, Morioka, Iwate, Japan & Laboratory of Parasitology and Zoology, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Japan Author Oshida, Tatsuo Laboratory of Wildlife Biology, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan Author Kim, Sang Ki Nakdonggang National Institute of Biological Resources, Gyeongsangbuk-do, Sangju, 37242, Republic of Korea Author Lee, Jin Hee Daegu Science High School, Daegu, 42110, Republic of Korea Author Kondakov, Alexander V. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia Author Khrebtova, Irina S. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia Author Soboleva, Alena A. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia Author Travina, Oksana V. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia Author Sokolova, Svetlana E. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia Author Palatov, Dmitry M. Laboratory of Macroecology and Biogeography of Invertebrates, Saint Petersburg State University, 7 / 9 Universitetskaya Embankment, 199034 Saint Petersburg, Russia & A. N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, 33 Leninsky Prospekt, 119071 Moscow, Russia Author Bespalaya, Yulia V. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia & Laboratory of Macroecology and Biogeography of Invertebrates, Saint Petersburg State University, 7 / 9 Universitetskaya Embankment, 199034 Saint Petersburg, Russia Author Vikhrev, Ilya V. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia Author Gofarov, Mikhail Yu. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia Author Bolotov, Ivan N. N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, Nikolsky Avenue 20, 163020 Arkhangelsk, Russia text Zoological Journal of the Linnean Society 2024 2024-08-03 201 4 1 24 http://dx.doi.org/10.1093/zoolinnean/zlae083 journal article 303639 10.1093/zoolinnean/zlae083 96f31273-7b71-4746-8672-022ce216ed8f 0024-4082 13835601 B848A01-DC8F-4759-91E9-237E4526462C

Table 2. Taxonomic review of the pond snails (Lymnaeidae) from East Asia and Alaska.

Genus	Species	Type locality	Distribution
Subfamily Lymnaeinae Rafinesque, 1815
Tribe Lymnaeinae incertae sedis
aNon-native species.
Dallirhytis Kruglov & Starobogatov, 1989 stat. rev.	Dallirhytis atkaensis (Dall, 1884)	USA: Aleutian Islands (Dall 1884)	Russia: Chukchi Peninsula; Canada; and USA: Alaska and Aleutian Islands
Galba Schrank, 1803	Galba pacifica	Japan: Hokkaido Prefecture, Biei Town, the Ishikari River system, a ditch near the Rubeshibe Stream, 43.520331°N, 142.372452°E	Japan: Hokkaido; Russia: Sakhalin Island and Kurile Archipelago, and Kamchatka
	Galba humilis a (Say, 1822)	USA: South Carolina, without a precise locality (Say 1822)	North America, including the USA, Canada, and Mexico; Japan: Honshu (non-native) (Saito 2022)
	Galba schirazensis a (Küster, 1862)	‘Schiras in Persien’ (Iran: Schiras, approximately 29.5971°N, 52.5834°E) (Küster 1862)	Japan: Hokkaido (non-native); Iran, Egypt, Reunion, Spain, Dominican Republic, Mexico, Colombia, Venezuela, Ecuador, and Peru (Lounnas et al. 2018, Ohari et al. 2020)
Walhiana Servain, 1882 = Walterlymnaea Starobogatov & Budnikova, 1976 syn. nov.	Walhiana catascopium (Say, 1817) comb. nov.	‘The Delaware river and many other waters of the United States’ (Say 1817b)	Russia: Kamchatka; Canada; USA (including Alaska); and Greenland
	Walhiana arctica (Lea, 1864) comb. nov.	Canada: Ontario, Moose River of Hudson’s Bay	USA: Alaska; Northern Canada eastwards to Newfoundland (Burch 1989)
Ladislavella B. Dybowski, 1913	Ladislavella liogyra (Westerlund, 1897)	‘Sibirien, Sud-Ussuri-Gebiet, Dorf Griqorjewskoje’ (Russia: southern part of the Ussuri Region, Grigoryevskoye village, approximately 44.16°N, 132.00°E) (Westerlund 1897)	Russia: Ussuri River basin, Primorye, and Sakhalin Island
Pseudosuccinea Baker, 1908	Pseudosuccinea columella a (Say, 1817)	‘Stagnant waters and miry places [of North America]’ (Say 1817b)	North America; as a non-indigenous species is widely distributed over tropics and subtropics, including Japan
Tribe Lymnaeini Rafinesque, 1815
Lymnaea Lamarck, 1799	Lymnaea sorensis B. Dybowski, 1912	Russia: ‘Lake Baikal, Bolshoy Sor Bay’ (Dybowski 1912)	Widespread throughout North Asia: Western Siberia: Tyumen Region; Eastern Siberia: Altai Mountains, Lake Baikal, Yakutia; Mongolia; northern China: Xinjiang, and Kamchatka
Subfamily Amphipepleinae Pini, 1877
Tribe Peregrianini Bolotov, Vinarski & Aksenova, 2023
Kamtschaticana Kruglov & Starobogatov, 1984	Kamtschaticana kamtschatica (Middendorff, 1850)	‘Kamtschatka’ (Middendorff 1850); ‘See Kainytschin, ohnfern Nishne-Kamtschatsk’ (Russia: Kamchatka, a lake near the former Nizhne-Kamchatsk village, approximately 56.3819°N, 161.1570°E) (Middendorff, 1851)	Widespread throughout North Asia: Eastern Siberia and Russian Far East from Lake Baikal through the Amur River basin to Kamchatka, Magadan Region, and Chukotka Peninsula; several times mentioned for Alaska
	Kamtschaticana nipponica = Radix sp. Ra-c2 Ohari et al., 2020	Japan: Hokkaido Prefecture, Sarabetsu village, the Tokachi River system, Itarataraki Stream, 42.627161°N, 143.265175°E	Japan: Hokkaido
	Kamtschaticana sp.1 (possible undescribed species)	not available	Russian Far East: Kamchatka and Sakhalin Island
Tribe Austropepleini Bolotov, Vinarski & Aksenova, 2023
Orientogalba Kruglov & Starobogatov, 1985	Orientogalba hokkaidoensis	Japan: Hokkaido Prefecture, Hokuto City, a ditch near the Hikirichi Stream, 41.842808°N, 140.634441°E	Japan: Hokkaido and Honshu
	Orientogalba ollula (Gould, 1859)	Streams and marshes on Hong Kong Island (Gould 1859)	East Asia: Korea, Japan (Hokkaido and Honshu); Central Asia: Uzbekistan; South Asia: Nepal; and China: Tibet and Hong Kong
Tribe Radicini Vinarski, 2013
Radix Montfort, 1810	Radix auricularia (Linnaeus, 1758) Europe (Vinarski and Kantor 2016)	Europe (Vinarski and Kantor 2016)	Widespread throughout Northern Eurasia, Kurile Archipelago, Sakhalin Island, Japan, Alaska and West Canada (British Columbia)
	Radix onychia (Westerlund, 1883	‘Japan, ad litora lacus Biva’ (Japan: shores of Lake Biwa) (Westerlund 1883)	Japan: Honshu (endemic to Lake Biwa)
	Radix plicatula (Benson, 1842) = Radix coreana (Martens, 1886) syn. nov.; Type locality: ‘Changjin, Prov. Hamgyöngdo, Korea’ (North Korea: South Hamgyŏng Province, Changjin County) (Martens 1886);	‘Ponds’ (China: Zhoushan Island, approximately 30.0578°N, 122.1381°E) (Vinarski et al. 2020)	East Asia: Amur Basin, Korea, and Japan: islands of Hokkaido, Honshu, Kyushu, Shikoku, and Okinawa; Southeast Asia: Vietnam, South China: Yunnan, Taiwan, Hong Kong; Eastern China: Jiangsu, Hebei; Northern
	= Radix sp. Ra-03 (Ohari et al., 2020)		China: Xinjiang; and Eastern Tibet: Gansu
Probable synonyms:
	= Radix japonica (Jay, 1857); Type locality: Simoda (Japan: Honshu, Simoda, approximately 34.6795°N, 138.9453°E) (Jay 1857)
	= Radix hamadai Habe, 1968; Type locality: ‘Kobaru, Takeda City, Oita Pref., Kyushu’ (Japan: Kyushu, Ōita Prefecture, Taketa, Kobaru, approximately 32.8738°N, 131.3581°E) (Habe 1968)