Hylomus rhinoceros is an aposematic species of dragon millipede in the family Paradoxosomatidae.[1] It is only known from Champasak and Sekong Provinces in southern Laos.
It was first described, along with H. rhinoparvus, in 2015.[2] Both species were discovered in Laos, the first dragon millipedes identified there, H. rhinoceros in the south of the country and H. rhinoparvus in the north. The holotype is in the Museum of Zoology, Chulalongkorn University, Bangkok, Thailand.
The body length is 17mm24mm in males and 20mm25mm in females. The color is dark red.