ACICLE
acicle: translation
Antennal scale reduced to a spine [Williams, 1984].
Small scaphocerite or antennal scale [Poore, 2004].
(Order Decapoda):
Spine-shaped outer branch (exopod) of antenna; represents reduced antennal scale (scaphocerite). May also refer to spine-like ophthalmic scale on eyestalk. (unarmed, spinose) [Stachowitsch, 1992].
(Order Leptostraca):
Ocular scale [Stachowitsch, 1992].