Pycnogonum nodulosum, female; A: Dorsal view; scale 1 mm; B: Dorsal view of trunk with protuberances on dorsal midline; scale 1 mm; C: Lateral view of trunk; scale 1 mm; D: Left 3rd leg with protuberances on femur; scale 400 µm; insert: Dorsal view of protuberances on femur; scale 200 µm; E: Tarsus, propodus, and claw without auxiliary claws (left 3rd leg); scale 100 µm; insert: Spines on propodus; scale 20 µm; F: Hair and slit organ on dorsal side of trunk; scale 5 µm.