anisochela
From ZooTerms (Dictionary of Invertebrate Zoology)
Arthropoda) A chela with two unlike parts.
anisochela (noun; Greek anisos, unequal; chele, claw): 1. (
2. (Porifera) A diactinal microsclere with unlike, recurved hooks, plates or flukes at each end
See also: isochela.