Belongs within: Polydesmida.
Catharosoma is a South American genus of millipedes in which the male gonopods possess a hypertrophied prefemoral portion that is about as long as the femorite, as well as a complex solenophore sheathing a long flagelliform solenomere.
<==Catharosoma Silvestri 1897K55 [incl. Hylaiopus Verhoeff 1941K54]
|--C. alticolaK54
|--C. boggianiK54
|--C. castaneum Kraus 1954K55
|--C. jaujensis Kraus 1955K55
|--C. laviudae Kraus 1955K55
|--C. mamillatum Kraus 1955K55
|--C. muticum Kraus 1955K55
|--C. nitidum Kraus 1954K54
|--C. sphinx (Verhoeff 1941) [=Hylaiopus sphinx]K54
`--C. titicaensis Kraus 1954K54
*Type species of generic name indicated
References
[K54] Kraus, O. 1954. Myriapoden aus Peru, II. Senckenbergiana Biologica 35: 17–55.
[K55] Kraus, O. 1955. Myriapoden aus Peru, III. Senckenbergiana Biologica 36 (3–4): 173–200.