Brasileirinidae

Prevorčnik, Simona, Ferreira, Rodrigo Lopes & Sket, Boris, 2012, Brasileirinidae, a new isopod family (Crustacea: Isopoda) from the cave in Bahia (Brazil) with a discussion on its taxonomic position, Zootaxa 3452, pp. 47-65 : 48

Brasileirinidae fam. nov.

Diagnosis. Body dorsoventrally depressed, pleon slightly concave. Pleonites I and II small, but not reduced to sternal parts. Pleotelson of pleonite VI and telson, reaching only about 1/5 of body and less than 45% of pleon length. Pleopods I and II absent in females, uniramous and apparently modified for copulatory purpose in males. Respiratory pleopods III–V present in both sexes, mutually similar, ramus small, tumescent, with transverse suture in the middle; other ramus absent or highly reduced (pleopods apparently uniramous).