| Resumo: |
Related to Iconaxiopsis spinigera Mac Gilchrist. Rostrum triangular, depressed, little longer than broad, with rather obtuse extremity, reaching about to the middle of the 2nd joint of the antennular peduncle, its lateral margins serrulate and continued as entire ridges on to the carapace; median crest, on the anterior inclined part of the gastric region, smooth and running out in two distinct, smooth, arcuate ridges, that reach as far backward as the described lateral carinae. Telson once and a half as long as broad, lateral edges toothed, a little more convergent and the posterior margin, that has a tooth in the middle, rather convex in the males and young females, less convergent and the posterior margin nearly straight in the old females.
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