Fig. 6 in Rhabdochona angusticaudata sp. n. (Nematoda: Rhabdochonidae) from the Japanese eel Anguilla japonica, and new records of some other nematodes from inland fishes in Japan

Fig. 6. Paraquimperia tenerrima (von Linstow, 1878) from Anguilla anguilla (Linnaeus), Czech Republic, scanning electron micrographs of mouth. A – apical view; B – subdorsal view. Abbreviations: a – amphid; b – cephalic papilla; c – two tooth-like structures of neighbouring sectors of mouth mound; d – oesophageal tooth.