Taxon classification Animalia Hygrophila Lymnaeidae
obliquatus von Martens, 1864 Fig. 33
Limnaeus obliquatus von Martens 1864b: 116, pl. 3, figs 9-10.
Limnaea auricularia var. obliquata Zhadin 1933: 96, fig. 38.
Radix auricularia var. obliquata Zhadin 1952: 168, figs 65, 66.
Lymnaea (Radix) obliquata Kruglov and Starobogatov 1993: 88, fig. 13B.
Type material.
Two syntypes (ZMB no. 7164). leg. Semenov.
Type locality.
"Im Landsee Issyk-Kul am Nordabhang des Thienschan, 4691' Pariser Fuss über der Meere, 43° N.B" = Kyrgyzstan, nothern shore of the Issyk-Kul’ Lake.
Current taxonomic allocation.
Radix (Radix) obliquata .
Syntypes dimensions.
(1) WN 3.75; SH 27.1; SW 25.2; SpH 7.3; BWH 26.3; AH 23.3; SW 16.8; (2) WN 4.12; SH 28.8; SW 25.8; SpH 6.8; BWH 27.4; AH 22.4; SW 17.6.
Remarks.
The type series has been overlooked by Kilias (1961, 1967). Hubendick (1951) considered Lymnaea obliquata as a junior synonym of Radix auricularia, whereas the Russian authors (Kruglov and Starobogatov 1993; Kantor et al. 2010) accept its validity.