Peronia setoensis, Japan, Honshu A [3753] (NSMT-Mo 78987) B–D holotype [5383 H] (NSMT-Mo 78985) A digestive system, dorsal view, with intestinal loops of type V B digestive system, dorsal view, with intestinal loops of type V C posterior, hermaphroditic (female) reproductive system D anterior, male, copulatory apparatus. Scale bars: 2 mm (A–D). Abbreviations: ag accessory penial gland, dd deferent duct, ddg dorsal digestive gland, fgm female gland mass, hg hermaphroditic gland, i intestine, ms muscular sac, ov oviduct, pdg posterior digestive gland, ps penial sheath, rm retractor muscle, rs receptaculum seminis, sp spermatheca, st stomach, v vestibule.