Noun
The word is derived from parapodium
of Parapodium
Source: Webster's dictionaryAdditional oblique muscles move the parapodia. Source: Internet
The parapodia appendages found in annelids therefore correspond to the stump feet of the velvet worms. Source: Internet
Behaviour Thecosomata beat their wing-like parapodia to "fly" through the water. Source: Internet
Most other species have external gills, often associated with the parapodia. Source: Internet