Four species of Louisea endemic to Southwestern Cameroon, carapace, frontal view. a Second largest adult male (CW 16.1 mm) of L. edeaensis from Lake Ossa wetland complex (ZMB Crust. 30335) b second largest adult male (CW 14.8 mm) of L. balssi from Man’s Crater Lake Manengouba (ZMB Crust. 30319) c adult male, holotype (CW 18.1 mm) of L. yabassi sp. nov. from Yabassi (ZMB Crust. 21575) d largest adult male, holotype (CW 20.0 mm) of L. nkongsamba sp. nov. from Mt. Nlonako (ZMB Crust. 31618). Scale bars: 7.20 mm (a), 6.60 mm (b), 8.06 mm (c), 8.70 mm (d).

 
 
  Part of: 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