Crabs, and the clawlike appendages are called chilipeds.
Mantis
Palps are a second pair of appendages found in crustacean and insects. These appendages are located near the mouth and are used to guide food into the mouth.
A typical crustacean has two main body sections known as the cephalothorax (head and thorax fused together) and the abdomen.
A squid has ten appendages. A squid's appendages are arranged in five pairs. The longest pair of appendages, the fourth pair, are called tentacles or feeder arms.
I would have to say appendages. And I like you ;)
Crayfish are members of the crustacean family.
These appendages are called swimmerets, and they play a crucial role in locomotion for lobsters and crayfish, helping them to swim and navigate in the water. In addition to aiding in movement, swimmerets also serve a reproductive function by allowing females to carry and protect their eggs until they hatch.
isopod
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The fiddler crab is both a crustacean (a subphylum, comprising usually marine arthropods) and an arthropod (a phylum characterized by segmented bodies, an exoskeleton made from chitin, and joint appendages.)
Appendages and lower extremities.