Ischnothyreus poculum sp. n., male. A, C, E habitus, dorsal, lateral and ventral views B, D, F, I prosoma, dorsal, lateral, ventral and anterior views G, H left chelicerae, anterior and posterior views. Abbreviations: lsp = long sclerotized process; sta = sclerotized triangular-shaped apophysis. Scale bars: A, C, E = 0.4 mm; B, D, F, I = 0.2 mm; G, H = 0.1 mm.