RAJYALAKSHMI, I., and K. SHYAMASUNDARI. 1993. “PORROCAECUM WALLAGUS N. SP. (NEMATODA : HETEROCHEILIDAE) FROM THE INTESTINE OF FRESHWATER CATFISH, WALLAGOATTU(BLOCH AND SCHINEIDER)”. UTTAR PRADESH JOURNAL OF ZOOLOGY 13 (2):101-6. https://mbimph.com/index.php/UPJOZ/article/view/1207.