Coenobita chela and cheliped

Chela (organ)

A chela /kˈiːlə/, also named claw, nipper or pincer, is a pincer-like organ terminating certain limbs of some arthropods.[1] The name comes from Greek (χηλή) through New Latin (chela). The plural form is chelae.[2] Legs bearing a chela are called chelipeds.[3] Another name is claw because most chelae are curved and have a sharp point like a claw.

Also called pincer or pincher.

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Overview of the anatomy of a land hermit crab (Coenobita)

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References
1 Dean Pentcheff. “Chela”. Crustacea glossary. Natural History Museum of Los Angeles County. Retrieved November 28, 2011.
2 George Gordh, Gordon Gordh & David Headrick (2003). A Dictionary of Entomology. CAB International. p. 182. ISBN 978-0-85199-655-4.
3 Dean Pentcheff. “Cheliped“. Crustacea glossary. Natural History Museum of Los Angeles County. Retrieved November 28, 2011.