Parmarion martensi Simroth, 1893 Figs 4G, 11B

Parmarion martensi Simroth, 1893: 107, 108, pl. 7, fig. 8, pl. 8, figs 20-22. Type locality: Cambodja [Cambodia]. Inkhavilay et al. 2019: 81, figs 19g, 57d.

Material examined.

Locality no. 14: CUMZ-CM150 (1 shell), CUMZ-CM151 (6 specimens in ethanol; Figs 4G, 11B). Locality no. 15: CUMZ-CM165 (3 specimens in ethanol). The semi-slugs were found to live on tree trunks and leaves.

Distribution.

Cambodia, Laos, Malaysia and Singapore (Maassen 2001, Inkhavilay et al. 2019).

Remarks.

This semi-slug bears a small shell (plate or nail-like without a trace of shell coiling), in which the shell is usually entirely covered with movable mantle lobes. Parmarion martensi has also been reported as an introduced species to Samoa and Hawaii (Cowie et al. 2018).