Amaryllididae and Lysianassidae (Amphipoda: Lysianassoidea) from off the central coast of Brazil (11 ºS – 22 ºS), with descriptions of three new species Author Senna, André R. Author Serejo, Cristiana S. text Zootaxa 2008 1718 45 68 journal article 10.5281/zenodo.181025 2f4cf470-61ad-459d-8491-b7e70ebf0e9b 1175-5326 181025 Key to Lysianassidae species recorded from Brazil 1 Epistome and upper lip separate, upper lip strongly dominant in size and projection, rounded. Coxa 1, large and visible. Gnathopod 1 simple, carpus and propodus subequal in size, dactylus small. Uropod 3, peduncle elongate, rami subequal in size, outer ramus 1-articulate. Telson entire ................ Lysianassa (2) - Different from the above..............................................................................................................................3 2 Antenna 2 elongate, reaching 2/3 of body length. Basis of pereopod 6 with posterior margin rounded and serrate .................................................................................................... Lysianassa brasiliensis Dana, 1853 - Antenna 2 reaching 1/3 of body length. Basis of pereopod 6 with posterior margin slightly concave and smooth .................................................................................................................. Lysianassa danai sp. nov. 3 Antenna 2 much longer than antenna 1, subequal to the body length. Pereopod 3, merus, carpus and propodus, posterior margin with plumose setae in both sexes ............................. Bonassa brasiliensis sp. nov. - Antenna 2 subequal in length or shorter than antenna 1, antennae 1 and 2, much shorter than body length. Pereopod 3, merus, carpus and propodus, posterior margin without plumose setae...................................4 4 Antenna 1 longer than antenna 2. Upper lip with dorsal margin truncated. Pereopod 6, basis with posterior margin convex ................................................................................... Schoemakerella nasuta ( Dana, 1853 ) - Antenna 1 subequal in length to antenna 2. Upper lip with dorsal margin rounded. Pereopod 6, basis with posterior margin slightly concave .......................................................... Lysianopsis concavus Senna, 2007