Rao, P.N. and Singh, S.N. 1968. A note on a new species of Strongyloides from the toad (Nematoda, Strongyloididae). Papéis Avulsos de Zoologia. 21, 1-28 (1967-1968) (Mar. 1968), 111–113. DOI:https://doi.org/10.11606/0031-1049.1968.21.p111-113.