• Combination in Crematogaster (Physocrema): Emery, 1922c: 140.
• Combination in Crematogaster (Crematogaster): Blaimer, 2012c: 55.
• Status as species: Emery, 1922c: 140; Donisthorpe, 1941o: 226 (in key); Chapman & Capco, 1951: 103; Bolton, 1995b: 158; Hosoishi & Ogata, 2009a: 24 (redescription).
• Senior synonym of Crematogaster fulmeki: Hosoishi & Ogata, 2009a: 24.

Junior synonyms

• Crematogaster fulmeki Forel, 1922

Obsolete combinations

• Crematogaster difformis mucronata

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.
• Chapman, J. W.; Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monographs of the Institute of Science and Technology. Manila 1:1-327. PDF
• Donisthorpe, H. 1941o. Description of a new species of Crematogaster Lund, subgenus Physocrema Forel, with a list of, and a key to, the known species of the subgenus. Entomologist 74:225-227. PDF
• Emery, C. 1900. Formiche raccolte da Elio Modigliani in Sumatra, Engano e Mentawei. Dummy reference. Annali del Museo Civico di Storia Naturale 40[=(2)20]:661-722.
• Emery, C. 1922c. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part]. Genera Insectorum 174B:95-206. PDF
• Hosoishi, S.; Ogata, K. 2009a. A taxonomic revision of the Asian endemic subgenus Physocrema of the genus Crematogaster (Hymenoptera: Formicidae). Zootaxa 2062:15-36. PDF