Definitions
Coxal gill
- (Taxon-specific: Order Amphipoda) Respiratory structure projecting from basal segment (coxa) of pereon appendage (peropod); consists of modified epipod. Six pairs of coxal gills (on pereon segments 2-8) represent full complement. (digitiform, foliate, sac-like; walls: simple = smooth, convoluted, pleated).
(syn. branchia)
See: Accessory gill, Sternal gill [Stachowitsch, 1992]