Glyphiulus, is a genus of millipedes belonging to the order Spirostreptida, family Cambalopsidae. It is the largest Southeast Asian millipede genus comprise about 47 to 57 species ranging from southern China, northern Laos, and northern Thailand in the north to southern Vietnam in the south. The type species shows a pantropical distribution.[1] The number of species always changes due to continuous discoveries of new species.[2][3]