An annotated list of the millipede (Diplopoda) species described by Johann Carl Author Hollier, John Muséum d’histoire naturelle, C. P. 6434, CH- 1211 Genève 6, Switzerland. E-mail: john. hollier @ ville-ge. ch john.hollier@ville-ge.ch Author Stöckli, Eduard Naturhistorisches Museum Basel, Augustinergasse 2, CH- 4051 Basel, Switzerland. E-mail: eduard. stoeckli @ bs. ch eduard.stoeckli@bs.ch Author Wesener, Thomas Zoologisches Forschungsmuseum Alexander Koenig, Leibniz Institute for Animal Biodiversity, Adenauerallee 160, D- 53113 Bonn, Germany. E-mail: T. Wesener @ leibniz-zfmk. de esener@leibniz-zfmk.de Author Mesibov, Robert West Ulverstone, Tasmania, Australia 7315. E-mail: robert. mesibov @ gmail. com robert.mesibov@gmail.com Author Decker, Peter Senckenberg Museum für Naturkunde Görlitz, Department of Soil Zoology, Am Museum 1, D- 02826 Görlitz, Germany. E-mail: peter. decker @ senckenberg. de peter.decker@senckenberg.de Author Sierwald, Petra Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA. E-mail: psierwald @ fmnh. org psierwald@fmnh.org text Revue suisse de Zoologie 2020 2020-06-04 127 1 183 240 http://dx.doi.org/10.35929/rsz.0015 journal article 10.35929/RSZ.0015 0035-418 5743454 bicolor Carl, 1909b: 319-321 , pl. 6, fig 20 [ Lophostreptus ]. Kirehe in Kissaka (Südost-Ruanda), in Bananenpflanzungen. Njarugenje bis Niansa (Central-Ruanda). Unspecified number of ♂ and ♀ . The MHNG collection contains some 53 specimens in alcohol in three jars. One jar (MHNG-ARTO-14377) contains the lectotype designated by Demange & Mauriès (1975: 69) . The specimen is in two parts, and the gonopods are separate in the same vial. The identification labels are original, and have the locality “Njarugenje, Dr Carl” and “ types !” written on them respectively. A handwritten label in the jar reads “ Lophostreptus bicolor Carl. Njarungenje (Central Ruanda ) LECTOTYPE – J.M. Demange 24.X.68 . Exemplaire issu du bocal unique de Carl”. The second jar (MHNG-ARTO-14378) contains some 40 specimens , many of them broken and two with pins running the length of the body. There are typewritten copies of the original labels, and these specimens are paralectotypes . The third jar (MHNG-ARTO-14379) contains 12 specimens , some broken. The identification label has “Njarungenje-Niansa, Dr J Carl” written on it. Although not explicitly labelled as types , these specimens are also paralectotypes . There is a paralectotype in the NMB (inventory number NMB-DIPL-00178a) and three in the MCZL . Lophostreptus bicolor is the type species of Carlostreptus Verhoeff, 1941c by monotypy ( Jeekel, 1971 ). Lophostreptus bicolor Carl, 1909 , Spirostreptidae