Pilsbryoconcha lemeslei (Morelet, 1875) Fig. 3J

Anodonta lemeslei Morelet, 1875: 328, pl. 14, fig. 1. Type locality: “Cambodge” .

Pilsbryoconcha lemeslei: Brandt 1974: 263, pl. 18, fig. 22.

Material examined.

MUMNH.UNI.2669

Distribution and habitat.

Tributary of Tonle Sap Lake near Preah Tis Bridge in Chi Kraeng District, Siem Reap Province (locality no. 13); in soft muddy substrate of still water.

Remarks.

This species is rare and known only from few places in Thailand, Laos, Cambodia and Vietnam (Brandt 1974; Do et al. 2018). It differs from other Pilsbryoconcha species by having a narrower and elongated shell, and more rounded posterior end.