Helodesmus Cook, 1896

Golovatch, Sergei, Geoffroy, Jean-Jacques, Mauriès, Jean-Paul & VandenSpiegel, Didier, 2009, Review of the millipede family Haplodesmidae Cook, 1895, with descriptions of some new or poorly-known species (Diplopoda, Polydesmida), ZooKeys 7 (7), pp. 1-53 : 44

Genus Helodesmus Cook, 1896

Type species: Helodesmus porosus Cook, 1896 , by monotypy (type locality: Java, Indonesia).

= Gonomastis Attems, 1930 . Type species: Gonomastis parvula Attems, 1930 , by original designation. Synonymized by Hoffman (1964).

= Porauxus Chamberlin, 1945 . Type species: Porauxus pangrangus Chamberlin, 1945 , by original designation. Synonymized by Hoffman (1964).

Diagnosis. Body with 19 segments, subcylindrical, not capable of volvation, with paraterga 2 rather well developed, but subsequent ones mostly represented by lateral swellings. Collum still large, covering the head from above, with 4-5 transverse rows of setigerous tubercles or pits. Following paraterga with three rows of similar tubercles or pits. Pore formula: 5, 7-17(18). Gonopods with poorly setose gonocoxae and a considerably shortened prefemoral+femoral (= setose) part, deeply biramous thereafter, with a long and flagelliform solenomere devoid of a hairpad.