Linked from
The 10 pages that link to Parapodium, each with the reason it gives.
AnnelidaBroader topic: Parapodia bear chaetae and often aid locomotion or gas exchange.
ChaetaRelated: Chaetae commonly project from parapodia, which help coordinate traction and movement.
OligochaetaRelated: Their absence distinguishes traditional oligochaetes from many marine annelids.
ArenicolaRelated: Lugworms retain segmental appendages in a reduced form.
NereididaeBroader topic: These conspicuous appendages are a defining feature of nereidid body form.