The taxonomic research of Jules Richard on Cladocera (Crustacea: Branchiopoda) and his collection at the National Museum of Natural History, U. S. A. Author Kotov, Alexey A. A. N. Severtsov Institute of Ecology and Evolution, Leninsky Prospect 33, Moscow 119071, Russia. Author Ferrari, Frank D. Department of Systematic Biology, National Museum of Natural History, Smithsonian Institution, Museum Support Center, 4210 Silver Hill Road, Suitland, MD 20746, USA. E-mail: ferrarif @ si. edu text Zootaxa 2010 2010-07-28 2551 1 37 64 https://biotaxa.org/Zootaxa/article/view/zootaxa.2551.1.2 journal article 10.11646/zootaxa.2551.1.2 1175-5326 5304719 17. Moina dubia Guerne & Richard, 1892 Moina dubia Guerne and Richard 1892c, p. 527 –530, figs 1–2; Rey and Sain-Jean 1968, p. 92–93, fig. 9. Moina micrura dubia Guerne et Richard in Smirnov 1976 , p. 200 , fig. 179. Type locality. The species was described from samples taken in two localities. "Station 128. — Etang d'eau assez vaseuse, sorte de cuvette d'environ 20 mètres de diamètre située au milieu des dunes de sable, près du village nègre de Gounoûne, à 4 kilomètres à l'est de Rufisque" and "Station 145. — Fontaine de Hann , puits d'eau douée situé à 100 mètres du rivage de la baie de Hann, à environ 5 kilomètres de Dakar ", both in Senegal (Richard 1892c) . Richard's specimens. Many females from DGF 707 , "Etang près de Gounoûne, No.128, 5.IV.1890 , M. Chevreux " and DGF 716 , " Fontaine de Hann , Senegal , N145, 8 .V.1890, M. Chevreux ". Comments. This is a valid subspecies of M. micrura Kurz, 1874 according to Smirnov (1976) .