An unusual cryptogeobiid from southeastern Brazil revisited (Opiliones, Laniatores, Gonyleptoidea)

The monotypic genus Bunostigma Mello-Leitão, 1935 is herein revisited. A detailed redescription of its type-species, singulare from Rio de Janeiro state, eastern Brazil, presented, providing in depth knowledge this genus. most closely related to Cryptogeobius 1935, and as genus, it has a stout complex apophysis on male coxa IV, lacking, however, second the stigmatic area. an oblique elongate malleus, similar that Zalanodius 1936 (as opposed globular malleus Cryptogeobius). short legs, with some sexual dimorphism stoutness, dorsal scutum entirely unarmed ocularium accessory central mound, although unarmed.