FIGURES 14–19 in Five new species of Acanthobothrium van Beneden, 1849 (Cestoda: Tetraphyllidea) in elasmobranchs from the northwest Atlantic and Gulf of Mexico with first records from smooth-hound sharks and guitarfish

FIGURES 14–19. Acanthobothrium schalli sp. nov. from Mustelus c. canis. 14. Scolex. 15. Hooks. Note tubercles (arrows). 16. Detail of lappets (arrows) on accessory suckers. 17. Mature segment. Note striations on tegument. 18. Detail of ovary. Note union of lobes posterior to shell gland. 19. Detail of ovary in oblique view. Note bilobed form and pedicellate lobules. Scale bars: Figs. 14, 17, 19 = 100 µm. Fig. 15.= 20 µm. Fig. 16, 18= 50 µm.