Pycnogonum (Retroviger) pusillum, male; A: Dorsal view; scale 400 µm; B: Dorsal view of proboscis; scale 100 µm; C: Right 3rd leg; scale 100 µm; D: Tarsus, propodus, and claw without auxiliary claws (right 3rd leg); scale 40 µm; E: Abdomen; scale 100 µm; F: Protuberance, scattered over trunk and legs; scale 5 µm.

 
 
  Part of: Lehmann T, Heß M, Melzer R (2014) Common littoral pycnogonids of the Mediterranean Sea. Zoosystematics and Evolution 90(2): 163-224. https://doi.org/10.3897/zse.90.7520