Habitus of Pseudechiniscus asper (PCM): A, B – females; C – male hologenophore. Insert shows claws III. Arrowheads indicate thickenings at the lateral positions C and D. List of abbreviations: c – caudal plate, cA – cirrus A, ce – cirrus externus, ci – cirrus internus, cp – cephalic plate, m1–3 – median plates, ps – pseudosegmental plate IV’, sI–II – paired segmental plates, sc – scapular plate. Scale bars: in μm.