N.B.: considered a senior synonym of Plectana Walckenaer, 1841: 150 [urn:lsid:nmbe.ch:spidergen:05440] (type Aranea cancriformis Linnaeus, 1758, designated by Bonnet, 1958: 3705) by McCook, 1894: 211 (by transfer of the type species); considered a senior synonym of Atelacantha Simon, 1864: 285 [urn:lsid:nmbe.ch:spidergen:05497] (type A. malayensis Simon, 1864 = Gasteracantha mengei Keyserling, 1864) and Stanneoclavis Butler, 1873a: 173 [urn:lsid:nmbe.ch:spidergen:05498] (type Plectana pentagona Walckenaer, 1841) by Simon, 1895a: 845; considered a senior synonym of Isacantha Simon, 1864: 286 [urn:lsid:nmbe.ch:spidergen:05538] (type Aranea cancriformis Linnaeus, 1758 per Bonnet, 1957: 2299, described as subgenus of Gasteracantha, preoccupied in Coleoptera by Hope, 1833) by Simon, 1895a: 845 (see also the note at Isoxya Simon, 1885); considered a senior synonym of Paurotylus Tullgren, 1910: 171 [urn:lsid:nmbe.ch:spidergen:05239] (type P. depressus Tullgren, 1910 = Gasteracantha milvoides Butler, 1873) (transferred from the Theridiidae to the Araneidae by Levi & Levi, 1962: 25) by Emerit, 1982c: 458, contra Benoit, 1964a: 47, who considered that genus a junior synonym of Aetrocantha Karsch, 1879 instead; considered a senior synonym of Bunocrania Thorell, 1878b: 24 [urn:lsid:nmbe.ch:spidergen:05238] (type B. biloba Thorell, 1878) by Levi, 1996b: 140; not a senior synonym of Aetrocantha Karsch, 1879, Isoxya Simon, 1885 or Acrosomoides Simon, 1887 (Benoit, 1962a: 14, 43, 45); not a senior synonym of Actinacantha Simon, 1864, Macracantha Simon, 1864, Augusta O. Pickard-Cambridge, 1877, Thelacantha van Hasselt, 1882, Afracantha Dahl, 1914, Austracantha Dahl, 1914, Hypsacantha Dahl, 1914 or Togacantha Dahl, 1914 (Emerit, 1974: 28-31, contra Benoit, 1962a: 14).