Taxonomic history
Combination in Crematogaster (Orthocrema): Emery, 1922c PDF: 135.Combination in Crematogaster (Orthocrema): Blaimer, 2012c PDF: 55.Subspecies of Crematogaster quadriformis: Forel, 1913m PDF: 234; Bruch, 1914 PDF: 219.Revived status as species: Emery, 1922c PDF: 135; Kempf, 1972b PDF: 89.