Trigoniulidea, Brölemann, 1913

Wesener, Thomas, Enghoff, Henrik & Sierwald, Petra, 2009, Review of the Spirobolida on Madagascar, with descriptions of twelve new genera, including three genera of ' fire millipedes' (Diplopoda), ZooKeys 19 (19), pp. 1-128 : 4

Suborder Trigoniulidea :

single family Pachybolidae ( Hoffman 1980) . The elevation of the subfamily Trigoniulinae to family rank ( Shelley 2003) is not followed here, since no character is known to discriminate between species of the Pachybolidae and Trigoniulinae .