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 RICHARDSONISCUS VANDEL, 1963 Type species: Sphaeroniscus portoricensis Richardson, 1901 (by monotypy). Diagnosis By endoantennal conglobation ability and simple coxal plates. Eyes represented by dark pigment, but no lenses are visible. In dorsal view, the visible portion of the uropod sympodite is nearly twice as wide as long. Pleotelson with median shallow tubercle.