N.B.: transferred from the Ctenizidae to the Idiopidae by Raven, 1985a: 139; considered a senior synonym of Acanthodon Guérin, 1838a: 161 [urn:lsid:nmbe.ch:spidergen:04434] (type A. petiti Guérin, 1838) by O. Pickard-Cambridge, 1870c: 107 (accepted by Roewer, 1942a: 152 and Raven, 1985a: 59, but not by Bonnet, 1955: 128); considered a senior synonym of Juambeltzia Mello-Leitão, 1946c: 6 [urn:lsid:nmbe.ch:spidergen:04996] (type J. clara Mello-Leitão, 1946) by Schiapelli & Gerschman, 1971: 58; considered a senior synonym of Pseudidiops Simon, 1889m: 182 [urn:lsid:nmbe.ch:spidergen:04997] by Raven, 1985a: 158; considered a senior synonym of Dendricon O. Pickard-Cambridge, 1889b: 250 [urn:lsid:nmbe.ch:spidergen:04433] (type D. rastratum) with Pseudidiops by Pocock, 1895d: 223 [but Dendricon was described in May 1889 and Pseudidiops in August 1889]; considered a senior synonym of Pachyidiops Simon, 1903 and Titanidiops Simon, 1903 by Raven, 1985a: 157, 159, Titanidiops was revalidated by Wunderlich, 1992a: 280 and Wunderlich, 1995b: 417 and Pachyidiops considered a synoynm of Titanidiops by Schwendinger, Huber & Hongpadharakiree, 2024: 323 (by transfer of the type species); all remaining Asian species currently in Idiops presumably also belong to Titanidiops Simon, 1903 per Schwendinger, Huber & Hongpadharakiree, 2024: 319.