Limnaeus obliquatus, von Martens, 1864

Vinarski, Maxim V., 2016, Annotated type catalogue of lymnaeid snails (Mollusca, Gastropoda) in the collection of the Natural History Museum, Berlin, Zoosystematics and Evolution 92 (1), pp. 131-152 : 137

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.