Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: II. Four new species of Thaparocleidus Jain, 1952 (Ancylodiscoidinae) from Pangasius humeralisA. Pariselle, L.H.S Lim and A. LambertParasite, 8 4 (2001) 317-324DOI: https://doi.org/10.1051/parasite/2001084317