A revaluation of the Eurycopinae (Crustacea, Isopoda, Munnopsidae) with a description of Dubinectes gen. nov. from the southern Atlantic deep sea Author Malyutina, Marina Marina Malyutina, Institute of Marine Biology, FEB RAS, Palchevskogo 17, 690041, Vladivostok, Russia. Author Brandt, Angelika text Zootaxa 2006 2006-07-27 1272 1 1 44 https://biotaxa.org/Zootaxa/article/view/zootaxa.1272.1.1 journal article 10.11646/zootaxa.1272.1.1 1175­5334 5065620 0092C403-3F89-469A-9EC9-3174990971A1 Key to the genera of Eurycopinae 1 Posterior margin of pleotelson with additional structure (outer rim); uropod protopod bent at midlength with both margins angled; cuticle strongly calcified, mat, body deepest at head ............................................................................... Dubinectes gen. nov. ­ Posterior margin of pleotelson simple; uropod protopod with straight lateral margin, cuticle thin, glossy, body deepest at natasome .............................................................. 2 2 Pereonites 5 and 6 with complete dorsal articulation; antenna 1 article 1 with produced distomedial lobe, article 3 longer than article 2; epipod of maxilliped with angled lateral projection.................................................................................................. Eurycope ­ Pereonites 5 and 6 without complete dorsal articulation, antenna 1 article 1 with rather reduced distomedial lobe, article 3 shorter than article 2; epipod of maxilliped with no angled lateral projection............................................................................................... 3 3 Pereonite 6 dorsally fused with pereonite 7; rostrum without distinct margins; mandibular molar thick, condyle longer than molar; maxilliped epipod shorter than basis, tip truncated, broad ............................................................................................. Baeonectes ­ Pereonite 7 separated from pereonite 6 by dorsal suture; rostrum with lateral margins; mandibular molar narrow, condyle shorter than molar; maxilliped epipod elongate, subequal to basis, tip pointed ........................................................................................ 4 4 Pereonite 7 considerably shorter than pereonite 6; pereonites 5–7 compressed dorsally, venter of pereonite 6 bulging downwards ..................................................... Tytthocope ­ Pereonite 7 subequal to pereonite 6 in lateral length; pereonites 5–7 convex dorsally; venter of pereonite 5 bulging downwards..................................................................... 5 5 Body broad, venter of anterior part of pereonite 5 bulging downwards, labrum tiny, shorter than clypeus, uropod exopod as long or longer than endopod ....... Disconectes ­ Body elongated, venter of posterior part of pereonite 5 bulging downwards, labrum longer than clypeus, uropod exopod much smaller than endopod ................ Belonectes