The earliest bird - line archosaurs and the assembly of
the dinosaur body plan.
Not exact matches
Comparative anatomist Thomas Henry Huxley, for example, noticed similarities in the
body plans of
dinosaurs and birds as early as the 1860s.
That group includes all
dinosaurs but also includes their earlier predecessors and their subsequent kin, which had the same general
body plan but didn't have distinctive anatomical features in their hip bones that all true
dinosaurs shared.
Their unique
body plan — long neck and tail, bulky
body and proportionately tiny head — is perhaps the most famous image of «a
dinosaur» and the group includes household names such as Brontosaurus, Diplodocus and Brachiosaurus.
«We had absolutely no idea how the ornithischian
body plan started to develop because they look so different to all the other
dinosaurs.