aptian-cenomanian
1Changchunsaurus — Unikonta Changchunosaurus Temporal range: Early Late Cretaceous, Aptian–Cenomanian …
2Extinction event — …
3Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea …
6Ornithischia — Ornithischians Temporal range: Late Triassic–Late Cretaceous, 228–65 Ma …
7Ornithopod — Eukaryota Ornithopods Temporal range: Middle Jurassic Late Cretaceous, 169–65.5 Ma …
9Marginocephalia — Eukaryota Marginocephalians Temporal range: Late Jurassic–Late Cretaceous, 156–65 Ma …
10Iguanodont — Unikonta Iguanodont Temporal range: Late Jurassic–Late Cretaceous, 156–65.5 Ma …
