Meteorona kishinouyei sp. n., holotype. A gonad B mouth oral lips C gastric saccules D phacellae E gastric filaments F rhopaliar niche ostia, front view G rhopaliar niche ostia, side view H rhopaliar window I rhopalium, front view J rhopalium, rear view K rhopalium, side view L velarium; M pedalium N pedalial canal bend O tentacle. De: Depression; Fl: flap; GS: gastric saccule; LLE: lower lens eye; PCB: pedalial canal bend; PE: pit eye; Ph: phacella; PL: perradial lappet; RN: rhopaliar niche ostia; RW: rhopaliar window; SE: slit eye; St: statolith; ULE: upper lens eye. Scale bars: 1 cm (A–E, L), 5 mm (C), 2 mm (F–H, M–O), 1 mm (E), 0.5 mm (I–K).