Review of the millipede family Haplodesmidae Cook, 1895, with descriptions of some new or poorly-known species (Diplopoda, Polydesmida) Author Golovatch, Sergei urn:lsid:zoobank.org:author:71532F45-BDD5-415D-BC54-86256E5D5D4A Institute for Problems of Ecology and Evolution, Russian Academy of Sciences, Leninsky pr. 33, Moscow 119071, Russia Author Geoffroy, Jean-Jacques urn:lsid:zoobank.org:author:01CF9A1C-794D-4EE3-8AA0-DBE935A44CE2 Muséum national d’Histoire naturelle, Département Ecologie & Gestion de la Biodiversité, UMR 7179 du CNRS, Equipe EVOLTRAIT, 4, avenue du Petit Château, F- 91800 Brunoy, France Author Mauriès, Jean-Paul urn:lsid:zoobank.org:author:2D362DC0-2CC3-42F5-A726-3104291BBED7 Muséum national d’Histoire naturelle, Département Systématique et Evolution, USM 602, Section Arthropodes Case Postale n ° 53, 61 rue Buffon F- 75231 Paris, France Author VandenSpiegel, Didier urn:lsid:zoobank.org:author:CE8C3D01-28AD-43F7-9D4F-04802E68CB1A Musée Royal de l’Afrique centrale, B- 3080 Tervuren, Belgium text ZooKeys 2009 2009-04-07 7 7 1 53 journal article 10.3897/zookeys.7.117 7a12aaad-a568-4920-91cf-af3e9407eadc 1313–2970 576436 67B4D2EC-2C6D-4226-847D-0BA2B2777AE3 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.