Achelia echinata, male; A: Dorsal view; scale 400 µm; B: Dorsal view of trunk, lateral processes touch each other; scale 200 µm; C: Frontal view of trunk, protuberances with spines on lateral process; scale 200 µm; D: Lateral view of proboscis, palp and chelifores with reduced chela; scale 100 µm; E: Mouth opening, dorsal is up; scale 20 µm; F: Mouth opening; scale 5 µm.