iso- or anisochelas in which the lateral alae coalesce with the shaft at right angles and the anterior one widens distally. Examples are:
-isochelas of Microcionidae
-iso- and anisochelas of Mycalidae
-iso- and anisochelas of Iophonidae
-chelas of Isodictya and Coelocarteria
-cleistochelas
-spurred anisochelas
-twisted chelas

Alternative forms for palmate chela : palmate chelae, palmate chelas.