Linked from
The 8 pages that link to Paired fins, each with the reason it gives.
Lobe-finned fishNarrower topic: Lobe-finned anatomy is a distinctive form of paired-fin structure.
Pelvic finNarrower topic: Pelvic fins are one of the two main pairs of fins in fishes.
AcanthodiiRelated: Acanthodian fin arrangements provide evidence about early paired-fin evolution.
CephalaspisRelated: Osteostracans had paired pectoral fins, unlike many earlier jawless vertebrates.
ReedfishNarrower topic: Reedfish use their pectoral fins to brace and push across land.
CyclostomiCompared with: Cyclostomes lack paired fins, unlike most other living vertebrates.