Genus Glyphidrilus Horst, 1889

Glyphidrilus Horst, 1889: 76; Horst 1893b: 37; Beddard 1895a: 679; Michaelsen 1900: 459; Stephenson 1930: 901; Gates 1972: 234; Chanabun et al. 2013: 9.

Bilimba Rosa, 1890: 386; Beddard 1895a: 686.

Annadrilus Horst, 1893b: 44; Beddard 1895a: 680.

Type species. Glyphidrilus weberi Horst, 1889 .

Distribution. Tanzania, Sri Lanka, India, Myanmar, Malay peninsula, Indonesia (Sumatra, Java, Flores, Borneo, Celebes); China (Hainan), Thailand, Cambodia, Laos, Vietnam (Blakemore 2002; Chanabun et al. 2013).

Remarks. A total of 3 6 species have been described (Csuzdi 2012; Chanabun et al. 2013); of these, only one species is known from Vietnam. Records of a second species ( Glyphidrilus ceylonensis Gates, 1945), in Blakemore 2008b, based on http://www.mscwbif.org/earthworm/g.php, (currently unaccessible) are not confirmed here.