Erimetopus vandenbrandeni (Balss, 1936) n. comb., with notes on the taxonomy of the genus Erimetopus Rathbun, 1894 (Brachyura: Potamoidea: Potamonautidae) from Central Africa Author Cumberlidge, Neil Author Reed, Sadie K. text Zootaxa 2004 2004-02-03 422 1 1 27 https://biotaxa.org/Zootaxa/article/view/zootaxa.422.1.1 journal article 4881 10.11646/zootaxa.422.1.1 17fb1fda-4996-4ad0-8769-300441236dba 1175­5334 5027965 4A8AA8E7-FE6B-40E3-B87F-765D8EF3BF65 Key to the African genera of Potamonautidae (modified from Cumberlidge 1999) 1 Anterolateral margin with intermediate tooth between exorbital and epibranchial teeth ....................................................................................................................................... 2 – Anterolateral margin lacking intermediate tooth between exorbital and epibranchial teeth ....................................................................................................................................... 4 2 Terminal article of gonopod 1 directed outward (tip pointing laterally); terminal article of gonopod 2 very short (about 0.05–0.07 times as long as subterminal segment of gonopod 2); postfrontal crest complete, lateral ends meeting anterolateral margins.... 3 – Terminal article of gonopod 1 directed inward (tip pointing medially); terminal article of gonopod 2 a long flagellum (about 0.5Ð0.75 times as long as subterminal segment of gonopod2); postfrontal crest incomplete, lateral ends not meeting anterolateral margins .................................................................................................................. Liberonautes 3 Exopod of third maxilliped lacking flagellum ....................................... Potamonemus – Exopod of third maxilliped with long flagellum .................................... Sudanonautes 4 Terminal segment of mandibular palp simple, with either small ledge or no anterior process at all ................................................................................................................. 5 – Terminal segment of mandibular palp distinctly bilobed, with large anterior lobe ........ ........................................................................................................................... Louisea 5 Carapace outline transversely oval; anterolateral margin of carapace between exorbital and epibranchial teeth smooth; outer margin of carpus of cheliped lacking teeth; carpi and propodi of pereopods P2–P5 lacking spines on their margins ......... Potamonautes – Carapace outline subhexagonal; anterolateral margin between exorbital and epibranchial teeth with row of small teeth; outer margin of carpus of cheliped with 2 or 3 teeth; carpi and propodi of pereopods P2–P5 with spines on their margins ................... ..................................................................................................................... Erimetopus