Revision of the Neotropical Scleropactidae (Crustacea: Oniscidea) Author Schmidt, Christian text Zoological Journal of the Linnean Society 2007 2007-11-30 151 1 339 https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2007.00286.x journal article 10.1111/j.1096-3642.2007.00286.x 0024-4082 5430080 AMAZONISCUS LEMOS DE CASTRO, 1967 Type species: Amazoniscus arlei Lemos de Castro, 1967 . Diagnosis (after Lemos de Castro 1969 ): Exoantennal conglobation. Linea frontalis distant from vertex to form a frontal shield, linea supraantennalis present. Coxal plates all simple, coxal plate 1 sinuous near the hind corner (as in Circoniscus , but without schisma). Second antenna with two-jointed flagellum. Male pereiopod 7 ischium with ventrocaudal tubercle on the distal margin. Pleotelson triangular, with concave sides. Uropod protopodites rectangular, distinctly projecting beyond the pleotelson. Exopodites not exceeding endopodites.