New systematic assignments in Gonyleptoidea (Arachnida, Opiliones, Laniatores) Author Pinto-da-Rocha, Ricardo Author Benedetti, Alipio Rezende Author de Vasconcelos, Eduardo Gomes Author Hara, Marcos Ryotaro text ZooKeys 2012 198 25 68 http://dx.doi.org/10.3897/zookeys.198.2337 journal article http://dx.doi.org/10.3897/zookeys.198.2337 1313-2970-198-25 Acrographinotus Holmgren, 1916 Acrographinotus Holmgren, 1916: 89; Roewer 1929 : 240; Kury 2003 : 155; (type species: Acrographinotus erectispina Roewer, 1929, by subsequent designation of Roewer (1929) ). Unduavius Roewer, 1929: 244; Kury 2003 : 195; (type species: Unduavius ornatus Roewer, 1929, by monotypy). Syn. n. Diagnosis. See Acosta (2001 : 59). Composition. Acrographinotus ceratopygus (Soares & Bauab-Vianna, 1972); Acrographinotus curvispina Roewer, 1929; Acrographinotus erectispina Roewer, 1929; Acrographinotus mitmaj Acosta, 2002; Acrographinotus niawpaq Acosta, 2001; Acrographinotus ortizi (Roewer, 1957); Acrographinotus ornatus (Roewer, 1929), comb. n. Taxonomical note. The genus Unduavius is monotypic, but the remarkable ventral process of the penis, with its "ibis head" shape, fits perfectly in the generic concept presented by Acosta (2001) , who rediagnosed the genus Acrographinotus .