Taxon classification Animalia Hygrophila Lymnaeidae

costulata von Martens, 1874 Fig. 11

Limnaea lagotis var. costulata von Martens 1874: 26, pl. II, fig. 24.

Limnaea lagotis var. costulata Nevill 1878: 8.

Limnaea lagotis f. costulata Annandale & Rao 1925: 153, fig. 7.

Limnaea auricularia var. lagotis f. costulata Zhadin 1933: 95.

Lymnaea costulata Hubendick 1951: 72, fig. 154.

Radix lagotis var. costulata Zhadin 1952: 170, fig. 67.

Type material.

I could not recognize the syntype(s) of this variety in ZMB collection. However, there are several specimens (subadult shells) labelled as Limnaea lagotis var. costulata and collected in Charik-Kul’ Lake (Uzbekistan, in vicinities of Katta-Kurgan Town) by Fedchenko (see Fig. 11). Martens (1874: 27) discussed shells from this locality in his monograph under the name Limnaea lagotis but did not assign them to a certain variety of this species. It is unclear who and when identified shells from Charik-Kul’ as Limnaea lagotis var. costulata .

Type locality.

Uzbekistan, Tashkent City, leg. A.P. Fedchenko.

Current taxonomic allocation.

Radix (Peregriana) lagotis (Schrank, 1803) or Radix (Radix) sp.

Remark.

In 1897, von Martens (1897a) described a new variety Limnaea javanica var. costulata from Indonesia (Java Island). I was not able to find the type series of it in ZMB collection.