Chelae
Videos
A chela – also called a claw, nipper, or pincer – is a pincer-shaped organ at the end of certain limbs of some arthropods. The name comes from Ancient Greek χηλή, through Neo-Latin chela. The plural f
Fiddler crabs like Minuca pugnax, and other members of the family Ocypodidae, have chelae of different sizes: a large left chela and a small right chela.
Lobster such as Homarus americanus have prominent chelipeds.
Front view of a pseudoscorpion, showing pincer-like chelicerae (middle) and pedipalps (sides).
Bocchus thorpei, a dryinid wasp.
Polychelida
Videos
Polychelida is an infraorder of decapod crustaceans. Fossil representatives are known dating from as far back as the Upper Triassic. A total of 38 extant species, all in the family Polychelidae, and 5
Cycleryon propinquus (Eryonidae)
Palaeopentacheles roettenbacheri (Palaeopentachelidae)
Proeryon hartmanni (Coleiidae)