Linked from
The 13 pages that link to Bilateral symmetry, each with the reason it gives.
WiwaxiaRelated: Its repeated body structures are interpreted within the bilaterian animal body plan.
DickinsoniaRelated: Dickinsonia’s repeated body units are arranged along a central axis.
GnathostomulidNarrower topic: Their small, wormlike bodies share this widespread animal body plan.
LemniscateRelated: The Bernoulli lemniscate is symmetric across both coordinate axes.