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.

Yamaceratops dorngobiensis

None

Herbivore

Yamanasaurus lojaensis

None

Herbivore

Yamatosaurus izanagii

None

Herbivore

Yandangornis longicaudus

None

Carnivore

Yatenavis ieujensis

None

Carnivore

Yehuecauhceratops mudei

None

Herbivore

Yeneen houssayi

None

Herbivore

Yezosaurus mikasaensis

None

Carnivore

Youngoolithus xiaguanensis

None

Ypupiara lopai

None

Carnivore

Yulong mini

None

Omnivore

Yunganglong datongensis

None

Herbivore

Yungavolucris brevipedalis

None

Carnivore

Yunnanpus huangcaoensis

None

Yuornis junchangi

None

Carnivore

Zalmoxes

None

Herbivore

Zalmoxes robustus

None

Herbivore

Zanabazar junior

None

Carnivore

Zapsalis

None

Carnivore

Zaraapelta nomadis

None

Herbivore

Zhanghenglong yangchengensis

None

Herbivore

Zhuchengceratops inexpectus

None

Herbivore

Zhuchengtitan zangjiazhuangensis

None

Herbivore

Zhuchengtyrannus magnus

None

Carnivore

Zhyraornis kashkarovi

None

Carnivore

Zhyraornis logunovi

None

Carnivore

Ziapelta sanjuanensis

None

Herbivore

Zuniceratops christopheri

None

Herbivore

Zuoyunlong huangi

None

Herbivore

Zuul crurivastator

None

Herbivore