FIG. 1 in Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela)

FIG. 1. — Fractonotus verrucosus (Richters, 1900) n. comb., ontogenetic series (Fig. 1F: differential interference contrast [DIC], the remaining photos are phase contrast microscope [PCM]): A, juvenile habitus (lateral view); B, young adult habitus (dorsal view); C-F, old adult habitus, variability in the development of large tubercles (dorsal views); E, adult habitus with the symmetrical arrangement of plaques (Calohypsibius placophorus sensu da Cunha 1943, dorsolateral view); F, adult habitus (a specimen from Borgholm, Öland from the Thulin collection, lateral view, DIC). Scale bars: 20 μm.