Hylomus rhinoparvus is a species of dragon millipede in the family Paradoxosomatidae.[1] It is only known from Houaphanh province of northeastern Laos.
It was first described, along with H. rhinoceros, in 2015.[2] Both species were discovered in Laos, the first dragon millipedes identified there, H. rhinoparvus in the north of the country and H. rhinoceros in the south. The holotype is in the Museum of Zoology, Chulalongkorn University, Bangkok, Thailand.
The body length is 23mm24mm in males and 26.5mm29.5mm in females. The color is dark brown.