Janardanan, K. P.; Ramachandran, P. (1983). On a new septate gregarine, Stenoductus polydesmi sp. n. (Sporozoa: Cephalina) from the millipede, Polydesmus sp. with observations on host-specificity of gregarines infecting the millipedes in Kerala, India. Acta Protozoologica, 22(1): 87-94
