| 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 |
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= Radix sp. Ra-03 (Ohari et al., 2020) |
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China: Xinjiang; and Eastern Tibet: Gansu |
| Probable synonyms: |
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= Radix japonica (Jay, 1857); Type locality: Simoda (Japan: Honshu, Simoda, approximately 34.6795°N, 138.9453°E) (Jay 1857) |
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= 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) |
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