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Dactyl

The dactyl is the movable finger of the claw and the final segment of the limb.

The dactyl of the major cheliped, from the dorsal view of the crab. Figure modified from Crane (1975). image
The dactyl of the major cheliped, from the dorsal view of the crab. Figure modified from Crane (1975).
The dactyl 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). image
The dactyl 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).