Metadiplectanotrema Gerasev et al. 1987 is considered synonym of Pseudempleurosoma . 1987 n. comb. The site of the parasite is somewhat unusual, as monogeneans are generally considered as ectoparasites. Few monogeneans are known to be adapted to an endoparasitic existence. Fish were frozen immediately after capture and examined later for parasites.
Measurements are in micrometres.
Hamuli were measured only as straight line measurements from the tip of the ventral root to the apex of the curve of the blade. Illustrations were made with the aid of a drawing apparatus. Ecological terms used follow Busch et al.