• Combination in Crematogaster (Orthocrema): Emery, 1922c: 132; Blaimer, 2012c: 55.
• Subspecies of Crematogaster sordidula: Wheeler, 1909a: 27; Forel, 1910b: 31; Forel, 1915b: 54.
• Status as species: Emery, 1922c: 132; Wheeler, 1934d: 145; Taylor & Brown, 1985: 61; Taylor, 1987a: 22; Bolton, 1995b: 152; Heterick, 2009: 147.
• Junior synonym of Crematogaster rufotestacea: Heterick, 2021: 13.

Obsolete combinations

• Crematogaster sordidula dispar

Citations

• Blaimer, B. B. 2012c. A subgeneric revision of Crematogaster and discussion of regional species-groups (Hymenoptera: Formicidae). Zootaxa 3482:47-67. PDF
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Emery, C. 1922c. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part]. Genera Insectorum 174B:95-206. PDF
• Forel, A. 1902j. Fourmis nouvelles d'Australie. Revue Suisse de Zoologie 10:405-548. PDF
• Forel, A. 1910b. Formicides australiens reçus de MM. Froggatt et Rowland Turner. Revue Suisse de Zoologie 18:1-94. PDF
• Forel, A. 1915b. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Arkiv för Zoologi 9(16):1-119. PDF
• Heterick, B. E. 2009. A guide to the ants of south-western Australia. Records of the Western Australian Museum Supplement 76:1-206. PDF
• Heterick, B. E. 2021. A guide to the ants of Western Australia. Part I: Systematics. Records of the Western Australian Museum Supplement 86:245 pp. 10.18195/issn.0313-122x.86.2021.001-245 PDF
• Taylor, R. W. 1987a. A checklist of the ants of Australia, New Caledonia and New Zealand (Hymenoptera: Formicidae). CSIRO (Commonwealth Scientific and Industrial Research Organization) Division of Entomology Report 41:1-92. PDF
• Taylor, R. W.; Brown, D. R. 1985. Formicoidea. Zoological Catalogue of Australia 2:1-149, 306-348.
• Wheeler, W. M. 1909a. A small collection of ants from Victoria, Australia. Journal of the New York Entomological Society 17:25-29. PDF
• Wheeler, W. M. 1934d. Contributions to the fauna of Rottnest Island, Western Australia. No. IX. The ants. Journal of the Royal Society of Western Australia 20:137-163. PDF