FIG. 8 in Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela)

FIG. 8. — Buccal apparatus of Fractonotus verrucosus (Richters, 1900) n. comb. (SEM): A, oral cavity armature, the arrowhead indicates the row of conical teeth; B, the buccal crown and both dorsal and ventral apophyses for insertion of stylet muscles (AISM) in lateral view; C, buccal tube, empty arrowheads indicate lateral thickenings; D, stylet furca; E, pharynx in dorsal view; F, pharynx in lateral view. Scale bars: A, D, 0.5 μm; B, 1 μm; C, E, F, 2 μm.