Cretaceous Late
Mesozoic
100.5–66.0 Mya
1230 dinosaurs
The final age of dinosaurs, featuring iconic species like Tyrannosaurus rex, Triceratops, and Velociraptor. Dinosaurs reached their peak diversity before the catastrophic asteroid impact at the Chicxulub crater ended the Mesozoic Era.
Ornithuromorpha
None
CarnivoreOrodromeus
None
HerbivoreOrodromeus makelai
None
HerbivoreOrodrominae
None
HerbivoreOstendichnus bilobatus
None
CarnivoreOuranosaurus
None
HerbivoreOvaloolithus
None
HerbivoreOvaloolithus chinkangkouensis
None
HerbivoreOvaloolithus dinornithoides
None
HerbivoreOvaloolithus laminadermus
None
HerbivoreOvaloolithus sangpingensis
None
HerbivoreOvaloolithus tenuisus
None
HerbivoreOvaloolithus turpanensis
None
HerbivoreOvaloolithus utahensis
None
HerbivoreOveroraptor chimentoi
None
CarnivoreOverosaurus paradasorum
None
HerbivoreOviraptor
Theropoda
OmnivoreOviraptoridae
None
OmnivoreOviraptorinae
None
OmnivoreOviraptorosauria
None
OmnivoreOviraptor philoceratops
None
HerbivoreOvoraptor djadochtari
None
CarnivoreOxalaia quilombensis
None
CarnivorePachycephalosauridae
None
HerbivorePachycephalosaurinae
None
HerbivorePachycephalosaurus
Pachycephalosauria
HerbivorePachycephalosaurus wyomingensis
None
HerbivorePachyrhinosaurinae
None
HerbivorePachyrhinosaurus
None
HerbivorePachyrhinosaurus canadensis
None
HerbivorePachyrhinosaurus lakustai
None
HerbivorePachyrhinosaurus perotorum
None
HerbivorePakisauridae
None
HerbivorePakisaurus
None
HerbivorePakisaurus balochistani
None
HerbivorePalaeotringa littoralis
None
CarnivorePalaeotringa vagans
None
CarnivorePalintropus
None
HerbivorePaludititan
None
HerbivorePaludititan nalatzensis
None
HerbivorePamparaptor micros
None
CarnivorePanamericansaurus schroederi
None
HerbivorePanoplosaurus
None
HerbivorePanoplosaurus mirus
None
HerbivorePanoplosaurus rugosidens
None
HerbivorePapiliovenator neimengguensis
None
CarnivoreParacorpulentapus zhangsanfengi
None
CarnivoreParadictyoolithus xiaxishanensis
None