Linked from
The 8 pages that link to Percomorpha, each with the reason it gives.
AcanthomorphaBroader topic: It is the largest and most diverse lineage within Acanthomorpha.
GobioideiNarrower topic: Gobioidei sits within this much broader radiation of teleost fishes.
Anthias anthiasNarrower topic: Its broad evolutionary placement lies within this major fish clade.
PriacanthidaeNarrower topic: Modern classifications place Priacanthidae within this broad radiation.