• Willowsiella in Myrmicinae, Meranoplini: Wheeler, 1934a: 176; Wheeler, 1935a: 6 (in key); Donisthorpe, 1943h: 736; Dlussky & Fedoseeva, 1988: 80; Hölldobler & Wilson, 1990: 16.
• Willowsiella in Myrmicinae, Leptothoracini: Taylor, 1991a: 294.
• Willowsiella in Myrmicinae, Formicoxenini: Bolton, 1994: 105; Bolton, 1995b: 49.
• Willowsiella as genus: Wheeler, 1935a: 6 (in key); Donisthorpe, 1943h: 736; Dlussky & Fedoseeva, 1988: 80; Hölldobler & Wilson, 1990: 16; Taylor, 1991a: 294; Bolton, 1994: 105; Bolton, 1995b: 49.
• Willowsiella as junior synonym of Stereomyrmex: Bolton, 2003: 252, 273.

Citations

• Bolton, B. 1994. Identification guide to the ant genera of the world. Cambridge, Mass.: Harvard University Press, 222 pp.
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Bolton, B. 2003. Synopsis and classification of Formicidae. Memoirs of the American Entomological Institute 71:1-370. PDF
• Dlussky, G. M.; Fedoseeva, E. B. 1988. Origin and early stages of evolution in ants. [In Russian.]. Pp. 70-144 in: Ponomarenko, A. G. (ed.) 1988. Cretaceous biocenotic crisis and insect evolution. [In Russian.]. Moskva: Nauka, 232 pp.
• Donisthorpe, H. 1943h. A list of the type-species of the genera and subgenera of the Formicidae. [concl.]. Annals and Magazine of Natural History (11)10:721-737.
• Hölldobler, B.; Wilson, E. O. 1990. The ants. Cambridge, Mass.: Harvard University Press, xii + 732 pp.
• Taylor, R. W. 1991a ("1990"). Notes on the ant genera Romblonella and Willowsiella, with comments on their affinities, and the first descriptions of Australian species (Hymenoptera: Formicidae: Myrmicinae). Psyche (Cambridge) 97:281-296. PDF
• Wheeler, W. M. 1934a. Formicidae of the Templeton Crocker Expedition, 1933. Proceedings of the California Academy of Sciences (4)21:173-181. PDF
• Wheeler, W. M. 1935a. Two new genera of myrmicine ants from Papua and the Philippines. Proceedings of the New England Zoological Club 15:1-9. PDF