Dalla Torre, 1893: 74 (catalogue); Arnold, 1916: 188 (diagnosis); Emery, 1922c: 119 (diagnosis, catalogue); Wheeler, 1922: 823, 1021 (Afrotropical, Malagasy catalogues); Bolton, 1982: 335 (diagnosis, Afrotropical species revision, key); Bolton, 1994: 105 (synoptic classification); Bolton, 1995a: 1050 (census); Bolton, 1995b: 250 (catalogue); Fisher & Robertson, 1999: 78 (workers, silk production); Cantone, 2017: 209 (brief male diagnosis); Khalife et al., 2018: 30 (cranial and leg anatomy)