Cumacea from the continental shelf of Angola and Namibia with descriptions of new species Author Bochert, Ralf Author Zettler, Michael L. text Zootaxa 2011 2978 1 33 journal article 10.5281/zenodo.200990 4f504d65-4f1b-4038-bfe8-664d33cb0037 1175-5326 200990 Key to Heterocuma (adapted from Corbera et al. , 2005 ) 1 Dorsal plate of telsonic somite truncate posteriorly. Endopod of pleopod with narrow external process. External distal portion of basis of third maxilliped not produced, carpus straight.......................................... genus Cumopsis - Dorsal plate of telsonic somite excavated posteriorly. Endopod of pleopod without external process. External distal portion of basis of third maxilliped produced as a prominent lobe, carpus internal dilated..................... genus Heterocuma ...2 2 Endopod of uropod distinctly shorter than peduncle.......................................................... 3 - Endopod of uropod at least as long as peduncle.............................................................. 5 3 Pereopod 2 and 3 with uniarticulate exopods.................................. H. africanum africanum Zimmer, 1920 - Pereopod 2 and 3 with biarticulate exopods................................................................. 4 4 Pereopod 1 carpus subequal to propodus....................................... H. africana intermedia ( Fage, 1924 ) - Pereopod 1 carpus distinctly longer than propodus....................................... H. ambrizetensis sp. nov. 5 Uropod endopod article 1 shorter than article 2.............................................................. 6 - Uropod endopod article 1 longer than article 2............................................... H. sarsi Miers, 1879 6 Pleonites without carinae........................................................... H. armatum Kurian, 1954 - Pleonites with carinae.................................................................................. 7 7 Pereonites 2 and 3 with a paired dorsal carina, anterolateral margin of carapace smooth................................................................................................ H. inerme Corbera, Trirado & Martin, 2005 - Pereonites 2 and 3 with a median dorsal carina and prominent dorsolateral and lateral carinae, anterolateral margin of carapace serrated........................................................................ H. andamani Kurian, 1954