Figure 2 from: Mvogo Ndongo PA, von Rintelen T, Cumberlidge N (2019) Taxonomic revision of the endemic Cameroonian freshwater crab genus Louisea Cumberlidge, 1994 (Crustacea, Decapoda, Brachyura, Potamonautidae), with descriptions of two new species from Nkongsamba and Yabassi. ZooKeys 881: 135-164. https://doi.org/10.3897/zookeys.881.36744

Figure 2 Four species of Louisea endemic to southwestern Cameroon, whole animal, dorsal view. a Largest adult male (CW 17.5 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 26930) (missing right cheliped) b largest adult male (CW 16.2 mm) of L. balssi from Man's Crater Lake Manengouba (ZMB Crust. 30319) (missing left p5) ('Mvogo Ndongo et al. 2018: fig. 1', www.mapress.com/j/zt) c largest adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) (missing left p2–p5, and right cheliped and p2, p3) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 8 mm (a), 9 mm (b), 8.30 mm (c), 17 mm (d).