This genus is of exclusively Northern Asiatic distribution, it inhabits Baikal Lake, Baikalian Region, Mongolia, ... [details]
Russia, Basin of the Amur River (downstream of Bureya Ridge), including basin of the Ussuri River and the Amur liman [details]
In the Russian literature, this species is known as Sibirenauta elongata [Starobogatov & Streletzkaja, 1967; ... [details]
‘In our opinion, it is somewhat doubtful that a representative of the endemic Caspian genus Didacna might have ... [details]
Status doubtful: not accepted as a valid species by European authors (Glöer 2002, 2019; Welter-Schultes 2012) but ... [details]
Soldatenko & Starobogatov [1998, 2000] believed that this species was earlier described from Germany by Clessin ... [details]
Anatomically this species is similar to S. palustris, and it is not accepted as valid by the Western European ... [details]
This taxon was established as a subspecies of G. albus. Meier-Brook [1983] and Prozorova [2003] considered ... [details]
The species was described on the basis of a single empty shell collected from the same locality as the holotype of ... [details]
Conchologically this species is somewhat similar to H. sujfunensis and, possibly, is identical with the latter. [details]
In Russian literature this species has often been placed into the genus Lacustrina Sterki, 1916 [details]
Starobogatov et al. [1989] used the name Physa aenigma Westerlund, 1876 for designation of a North Asian species of ... [details]
Conchologically this species is similar to T. tadzhikistanica and, possibly, is identical with the latter. In ... [details]
Possibly, this species is a junior synonym of Valvata japonica [details]
Ukraine, near Kiev (originally stated as 'Russland Ukiow' [details]
Originally “Baikal, 300-350 m” = Kultuk (SW coast of the southern Baikal, 51º43´12''N; ... [details]
Type locality: Russia, the Amur River in the Bureinskiy Ridge (the locus typicus stated by the author is wrong; see ... [details]
‘Hab. calcem Poczaiowensem’ (Eichwald, 1829: 283); may correspond to Staryi Pochaiv, situated about 55 km NNW ... [details]
Type locality: Russia, the southern Baikal Lake near Baranchiki and Solzan Settlement (fide Sitnikova et al. ... [details]
Type locality: Russia, western coast of the central Baikal Lake, Talanka Bay [details]
Type locality: Russia, Irkutsk Region, “the Baikal Lake and the Angara River” (from the lectotype’s label). [details]
Type locality: Russia, western coast of the Baikal Lake, Tolstyi Cape, southward to headwaters of the Angara River [details]
The Volga and Yaik (nowadays Ural) rivers, the Caspian Sea [details]
Type locality: Russia, Krasnoyarsk Territory, Turukhansk District, vicinity of former village Nizhne-Imbatsk [= ... [details]
Type locality: unknown [details]
Type locality: Russia, Khabarovsk Territory, a puddle in the upstream of the river Manoma, tributary of the Anyui River [details]
Type locality: Uzbekistan, Tashkent Region, Akkurgan water reservoir, Balykchi [details]
Locus typicus: Russia, Irkutsk Region, lower Lena basin, River Anga valley (in a pasture). [details]
Type locality: Russia, Republic of Yakutia (Sakha), Olenek River basin, "oberhalb der Alahis-Mündung" [details]
Type locality: “Barnaul” [Middendorff, 1851]. Lazareva [1967b] suggested that this designation is erroneous and ... [details]
Type locality: “Thibetan or north side of Sikkim Himalaya, at 18,000 feet elevation” [details]
Type locality: Russia, Taimyr Peninsula, Sopochnaya Karga bay [“In Sibiria, prope Jenissei as Sopotschnaja Korga ... [details]
ZIN, holotype (Kantor et al., 2010; Vinarski & Kantor, 2016); not traced in ZIN, J.J. ter Poorten, 03.2016 [details]