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 willeyi Carl, 1932: 425-426 , figs 6-7 [ Orthomorpha ( Kalorthomorpha ) ]. Ceylon : Kala Oya , XII 1905 , Dr. A. Willey leg. ( Brit. Museum ). Unspecified number of ♂ and ♀ . The MHNG collection contains a ♀ specimen and isolated gonopods in alcohol (MHNG-ARTO-14384). The intact specimen has a pin running the length of the body and is accompanied by a small vial containing the gonopods and a leg. The label in the large vial has “ Orth. (Kalorthomopha) willeyi Carl , ♀ cotype, ♂ gonopodes et 3e patte. Ceylon ex. Brit. Musem” written on it, indicating that the specimens are syntypes . The rest of the ♂ was returned to the BMNH . A handwritten label in the jar indicates that the specimens were studied by Jeekel in 1976. Jeekel (1980a) designated Orthomorpha willeyi as the type species of the genus Pyragrogonus Jeekel, 1980 in the original description of the genus. Pyragrogonus willeyi ( Carl, 1932 ) , Paradoxosomatidae