Cretaceous Early

Mesozoic 145.0–100.5 Mya 703 dinosaurs

The Cretaceous saw continued dinosaur evolution with the rise of ornithopods and early ceratopsians. Flowering plants first appeared and began to transform terrestrial ecosystems. Spinosaurus and other large theropods lived during this time.

Aberratiodontus wui

None

Carnivore

Abitusavis lii

None

Carnivore

Acrocanthosaurus

None

Carnivore

Acrocanthosaurus atokensis

None

Carnivore

Aegyptosaurus baharijensis

None

Herbivore

Afromimus tenerensis

None

Herbivore

Agustinia ligabuei

None

Herbivore

Albalophosaurus yamaguchiorum

None

Herbivore

Alethoalaornis agitornis

None

Carnivore

Allosauroidea

None

Carnivore

Altirhinus kurzanovi

None

Herbivore

Alxasaurus elesitaiensis

None

Herbivore

Amargasaurus

Sauropoda

Herbivore

Amargasaurus cazaui

None

Herbivore

Amargatitanis macni

None

Herbivore

Amazonsaurus maranhensis

None

Herbivore

Ambiortus dementjevi

None

Carnivore

Amblydactylus

None

Herbivore

Amblydactylus kortmeyeri

None

Herbivore

Angaturama limai

None

Carnivore

Animantarx ramaljonesi

None

Herbivore

Ankylosauria

None

Herbivore

Aquatilavipes izumiensis

None

Carnivore

Aquilops americanus

None

Herbivore

Aratasaurus museunacionali

None

Carnivore

Archaeoceratops oshimai

None

Herbivore

Archaeoceratops yujingziensis

None

Herbivore

Archaeorhynchus spathula

None

Carnivore

Archaeornithipus meijidei

None

Carnivore

Archaeornithura meemannae

None

Carnivore

Archaeovolans repatriatus

None

Carnivore

Aristosuchus pusillus

None

Carnivore

Arkansaurus fridayi

None

Herbivore

Asianopodus

None

Carnivore

Asianopodus pulvinicalx

None

Carnivore

Asianopodus robustus

None

Carnivore

Astrophocaudia slaughteri

None

Herbivore

Atlascopcosaurus loadsi

None

Herbivore

Auroraceratops rugosus

None

Herbivore

Austrosaurus mckillopi

None

Herbivore

Averostra

None

Carnivore

Avetheropoda

None

Carnivore

Avialae

None

Carnivore

Avimaia schweitzerae

None

Carnivore

Avipedidae

None

Carnivore

Bahariasaurus ingens

None

Carnivore

Bajadasaurus pronuspinax

None

Herbivore

Bannykus wulatensis

None

Carnivore