Linked from
The 8 pages that link to Furcula, each with the reason it gives.
TheropodaRelated: Its presence in theropods documents a skeletal feature inherited by birds.
ArchaeopteryxRelated: This wishbone-shaped bone is among Archaeopteryx’s birdlike skeletal features.
AvialaeRelated: Its presence in early relatives links avialan flight anatomy to theropod ancestry.
CoelurosauriaRelated: Its presence in many coelurosaurs is one anatomical clue to shared ancestry.