Proctotrematoides synapturae Machida, 2005 and Macvicaria pardachiri n. sp. are described from the flatfish Pardachirus pavoninus (Lacépède, 1802) obtained from the fish market of Nouméa, New Caledonia. The species of Proctotrematoides Yamaguti, 1938 are listed and compared with P. synapturae. Macvicaria pardachiri n. sp. differs from its congeners in a combination of characters including the saccular internal seminal vesicle, the unlobed gonads, the size and number of the eggs, the details of the vitelline distribution in the forebody and other ratios.