Traub, R., Brown, G., Coleman, G., Constantinoiu, C., O'Handley, R., and Slapeta, J. (2015) Small animals (dogs and cats). In: Beveridge, Ian , and Emery, David , (eds.) Australasian Animal Parasites: inside & out. Australian Society for Parasitology, pp. 390-565.

Chapman, Phoebe A., Cribb, Thomas H., Blair, David, Traub, Rebecca J., Kyaw-Tanner, Myat T., Flint, Mark, and Mills, Paul C. (2015) Molecular analysis of the genera Hapalotrema Looss, 1899 and Learedius Price, 1934 (Digenea: Spirorchiidae) reveals potential cryptic species, with comments on the validity of the genus Learedius. Systematic Parasitology, 90 (1). pp. 67-79.