Addenda to the article Three new species of Grosphus Simon, 1 880, (Scorpiones: Buthidae) from Madagascar; possible vicariant cases within the Grosphus bistriatus group of species. Madagascar Conservation & Development 1 1 , 2: 52–65

In the recent paper by Lourenco and Wilme (2016), three new species of Grosphus Simon, 1880 were published without the Zoobank registration number. Here we add the numbers in order to make the new taxa valid according to the International Code of Zoological Nomenclature regulations.