Cretaceous Early
Mesozoic
145.0–100.5 Mya
703 恐龙
白垩纪见证了恐龙的持续演化，鸟脚类和早期角龙类兴起。开花植物首次出现并开始改变陆地生态系统。棘龙和其他大型兽脚类在此时期生活。
Rapaxavis pani
None
CarnivoreRaptorex kriegsteini
None
CarnivoreRatchasimasaurus suranareae
None
HerbivoreRebbachisaurinae
None
HerbivoreRhabdodontidae
None
HerbivoreRiojavenatrix lacustris
None
CarnivoreRotundichnus muenchehagensis
None
HerbivoreRuixinia zhangi
None
HerbivoreRuyangosaurus giganteus
None
HerbivoreSantanaraptor placidus
None
CarnivoreSapeornis chaoyangensis
None
CarnivoreSarmientichnus
None
CarnivoreSauropelta
Ankylosauria
HerbivoreSauropelta edwardsorum
None
HerbivoreSauroplites scutiger
None
HerbivoreSchizooura lii
None
CarnivoreSerendipaceratops arthurcclarkei
None
HerbivoreShanag ashile
None
CarnivoreShengjingornis yangi
None
CarnivoreShenzhouraptor sinensis
None
CarnivoreShenzhousaurus orientalis
None
HerbivoreIrritator
Spinosauridae
PiscivoreSuchomimus
Spinosauridae
PiscivoreAmargasaurus
Sauropoda
HerbivoreYutyrannus
Tyrannosauridae
CarnivoreNigersaurus
Sauropoda
HerbivoreZhouornis hani
None
CarnivoreZhongornis haoae
None
CarnivoreZhongjianornis yangi
None
CarnivoreZhenyuanlong suni
None
CarnivoreZephyrosaurus
None
Herbivore