FIGURE 3 in Definition of families, subfamilies, genera and subgenera of the Eutardigrada, and keys to their identification

FIGURE 3. Scheme of bucco-pharyngeal apparatuses of Hypsibiidae. A–C, of Hypsibiinae model: A, Doryphoribus type in ventral view; B, the same type in lateral view; C, Hypsibius type; D,E bucco-pharyngeal apparatuses of Itaquasconinae model Diphascon type: D, of the subgenus Diphascon (Adropion); E, of the subgenus Diphascon (Diphascon). bt = buccal tube; cp = caudal processes; da = dorsal apophysis; pht = pharyngeal tube; pp = peribuccal papulae; sp = sagittal plane; st = stylet; stf = stylet furcae; stsh = stylet sheaths; tth = buccal tube thickening; va = ventral apophysis; vl = ventral lamina. (D, from Pilato & Binda, 1983b. E, from Pilato, 1987).