FIGURE 2. Hexabothriid sucker sclerite hook morphological measurements. A in Towards addressing the current state of confusion within the Hexabothriidae Price, 1942 (1908): Callorhynchocotyle Suriano & Incorvaia, 1982 (Monogenea: Hexabothriidae) re-visited, with the preliminary evaluation of novel parameters for measuring haptoral armature of hexabothriids

FIGURE 2. Hexabothriid sucker sclerite hook morphological measurements. A. Hook length; line a–b, hook aperture; line b– c, hook base width; line a–c. B. Hook curve length; line e–f. C. Hook aperture angle (x) from vertex (f) by rays f–b, f–c.