P. M.  Dougan, Mair, G. R., Halton, D. W., W Curry, J., Day, T. A., and Maule, A. G., ?Gene organization and expression of a neuropeptide Y homolog from the land planarian Arthurdendyus triangulatus?, J Comp Neurol, vol. 454, no. 1, pp. 58-64, 2002.

W. J.  Curry, Shaw, C., Johnston, C. F., Thim, L., and Buchanan, K. D., ?Neuropeptide F: primary structure from the tubellarian, Artioposthia triangulata.?, Comp Biochem Physiol C, vol. 101, no. 2, pp. 269-74, 1992.