Rhysida is a large genus of Scolopendromorph centipedes in the subfamily Otostigminae.
[2][3] It is the second largest genus in the subfamily Otostigminae, with species found in the Neotropics, Indo-Malaya, and Africa.
[4] It shares some morphological characteristics with the genus Alluropus, and its phylogeny in the subfamily Otostigminae is somewhat uncertain.
[5] There are about 40 species:[6][7][8][9]