Superfamily Xystodesmoidea Cook 1895 (millipede)
Parent taxon: Leptodesmidea according to F. Riquelme and M. Hernández-Patricio 2018
Sister taxa: Chelodesmoidea, Platyrhacoidea
Subtaxa: Xystodesmidae
Ecology:
Distribution:
• Miocene of Mexico (2 collections)
Total: 2 collections each including a single occurrence