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.

Albertosaurinae

None

Carnivore

Albertosaurus

None

Carnivore

Albertosaurus sarcophagus

None

Carnivore

Albinykus baatar

None

Carnivore

Alectrosaurus

None

Carnivore

Alectrosaurus olseni

None

Carnivore

Aletopelta coombsi

None

Herbivore

Alexornis antecedens

None

Carnivore

Alexornithiformes

None

Carnivore

Alioramus remotus

None

Carnivore

Alioramus sinensis

None

Carnivore

Almas ukhaa

None

Carnivore

Alnashetri cerropoliciensis

None

Carnivore

Alvarezsauridae

None

Carnivore

Alvarezsaurus calvoi

None

Carnivore

Ampelognathus coheni

None

Herbivore

Ampelosaurus

None

Herbivore

Ampelosaurus atacis

None

Herbivore

Amtocephale gobiensis

None

Herbivore

Amurosaurus riabinini

None

Herbivore

Anabisetia saldiviai

None

Herbivore

Anasazisaurus horneri

None

Herbivore

Anatalavis rex

None

Herbivore

Anchiceratops

None

Herbivore

Anchiceratops ornatus

None

Herbivore

Andesaurus delgadoi

None

Herbivore

Angolatitan adamastor

None

Herbivore

Angulomastacator daviesi

None

Herbivore

Aniksosaurus darwini

None

Carnivore

Ankylosauridae

None

Herbivore

Ankylosaurinae

None

Herbivore

Ankylosaurus

Ankylosauria

Herbivore

Ankylosaurus magniventris

None

Herbivore

Anodontosaurus inceptus

None

Herbivore

Anodontosaurus lambei

None

Herbivore

Anomalipes zhaoi

None

Omnivore

Anoplosaurus curtonotus

None

Herbivore

Anserimimus planinychus

None

Herbivore

Antarcticavis capelambensis

None

Carnivore

Antarctopelta oliveroi

None

Herbivore

Antarctosaurus

None

Herbivore

Antarctosaurus wichmannianus

None

Herbivore

Anzu

None

Omnivore

Aoniraptor libertatem

None

Carnivore

Apatoraptor pennatus

None

Omnivore

Apatornis celer

None

Carnivore

Appalachiosaurus montgomeriensis

None

Carnivore

Apsaravis ukhaana

None

Carnivore