Two new species of the millipede genus Glyphiulus Gervais, 1847 (Diplopoda, Spirostreptida, Cambalopsidae) from caves in northern Thailand

Two new species of the genus Glyphiulus Gervais, 1847 are described and illustrated. The first species, G. longus sp. nov. , is the second species of the javanicus -group to be found in Thailand. It resembles G. guangnanensis Jiang, Guo, Chen & Xie, 2018, from southern China, but is distinguished by a smaller size and the carinotaxic formula of the collum, combined with ♂ legs 1 bearing very strongly reduced telopodites, the anterior...