Linked from
The 13 pages that link to Annelida, each with the reason it gives.
ParapodiumNarrower topic: Parapodia occur on many annelids, especially polychaetes.
ChaetaNarrower topic: Chaetae are characteristic structures across many members of this phylum.
OligochaetaNarrower topic: Oligochaeta is traditionally classified within this broader phylum.
ArenicolaNarrower topic: Arenicola is one lineage within this broad group of segmented animals.