[Cubo-/Scyphomedusae] A confusing term for a club or filament on the part of the scyphomedusa indicated. Hence mouth-arm appendage, mouth-disc appendage, terminal appendage, etc.

[Crustacea] Limb or other process extending from the body, usually articulated and with musculature.

In Ostracoda:arrangement of limbs in female

Alternative form for Appendage : Appendages (pl.).