Lysianassidae

Senna, André R. & Serejo, Cristiana S., 2008, Amaryllididae and Lysianassidae (Amphipoda: Lysianassoidea) from off the central coast of Brazil (11 ºS – 22 ºS), with descriptions of three new species, Zootaxa 1718, pp. 45-68: 65-66

publication ID

http://doi.org/ 10.5281/zenodo.181025

persistent identifier

http://treatment.plazi.org/id/0393879E-466F-924E-FF50-F978FA00F4E9

treatment provided by

Plazi

scientific name

Lysianassidae
status

 

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