Glyphidrilus vangthongensis Chanabun & Panha 2013

Figure 21.Photographs showing the A type locality of Glyphidrilus vangthongensis sp. n.(arrow head) on a river bank of Sakulnothayan waterfall, Vangthong, Phitsanulok B Glyphidrilus vangthongensis sp. n. casts and C coloration of newly collected paratype CUMZ 3230 just after the first preservation step in 30% (v/v) ethanol.

Figure 22.Morphology of the holotype (CUMZ 3229) of Glyphidrilus vangthongensis sp. n., showing the A external ventral and B internal dorsal views.

Figure 37.Distribution map of the new Glyphidrilus species from Thailand. Open triangle: Glyphidrilus borealis sp. n., Filled triangle: Glyphidrilus vangthongensis sp. n., Filled star: Glyphidrilus chaophraya sp. n., Open square: Glyphidrilus chiensis sp. n., Filled square: Glyphidrilus quadratus sp. n., Open circle: Glyphidrilus huailuangensis sp. n.