Linked from
The 32 pages that link to Australopithecus afarensis, each with the reason it gives.
PlioceneBroader topic: Its fossils document bipedal hominins during the later Pliocene.
AustralopithecusBroader topic: This well-studied species includes the fossil known as Lucy.
AustralopithecineBroader topic: Its fossils include Lucy and the Laetoli footprints.
Brow ridgeBroader topic: Its fossils show how brow-region form varied before the genus Homo.