记述采自广东汕尾长体圆鲹Decapterus macrosoma Bleeker, 1851鳃上的1种单殖吸虫 拟八铗虫属Pseudodiclidophora Yamaguti, 1965之圆鲹拟八铗虫Pseudodiclidophora decapterus Yamaguti, 1965. 所获标本与Yamaguti的原始描述基本一致，但在吸铗形态、两侧吸铗及卵的大小上略有差异. 拟八铗虫属及圆鲹拟八铗虫均为中国新记录，长体圆鲹是宿主新记录.
A newly recorded genus Pseudodiclidophora Yamaguti, 1965 and species P. decapterus Yamaguti, 1965 found on the gills of a marine fish, Decapterus macrosoma Bleeker, from Shanwei, Guangdong Province are reported in China for the first time. The shape and all dimensions of the specimens basically agree with original description except for the shape of the clamps and the size of the clamps in both sides of body and the size of the eggs. The specimens are deposited in the Lab of Fish Parasitology, College of Life Sciences, South China Normal University