The manus is the segment making up most of the claw, including both the “palm” and the fixed, unmovable-finger (the pollex). The movable finger is the dactyl.
The manus of the major cheliped, from the dorsal view of the crab. Figure modified from Crane (1975).The manus of the major cheliped, from the vental view of the crab. Figure modified from Crane (1975).The manus of the major cheliped, from the exterior view of the claw (strictly speaking, the posterior surface of the claw if the limbs are spread). Figure modified from Crane (1975).
