Glyphidrilus Horst 1889

Glyphidrilus is a genus of semi-aquatic freshwater earthworms in the family Almidae. It inhabits freshwater systems like river banks, lakes and rice fields from East Africa to South and South East Asia.

The genus Glyphidrilus has widely distributed range from Tanzania in Africa to South Asia and Southeast Asia. In Asia many species were recorded from Yunnan, southwest China, Hainan, Indochina, Malaysia, Laos, Thailand, Singapore, and some Sunda Shelf islands such as Sumatra, Java, Borneo and Celebes (Horst 1893, Chen 1938, Gates 1958, 1972, Chen and Xu 1977, Shen and Yeo 2005, Chanabun et al. 2011, 2012a, b). It occurs along the river banks, lakes, canals, swamps and in paddy rice systems.