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.
Helioceratops brachygnathus
None
HerbivoreHexing qingyi
None
HerbivoreHimeoolithus murakamii
None
CarnivoreHippodraco scutodens
None
HerbivoreHistriasaurus boscarollii
None
HerbivoreHolbotia ponomarenkoi
None
CarnivoreHongshanornis longicresta
None
CarnivoreHoplitosaurus
None
HerbivoreHoplitosaurus marshi
None
HerbivoreHouornis caudatus
None
CarnivoreHuanghetitan liujiaxiaensis
None
HerbivoreHuaxiagnathus orientalis
None
CarnivoreHuoshanornis huji
None
CarnivoreHylaeosaurus
None
HerbivoreHylaeosaurus armatus
None
HerbivoreHypnovenator matsubaraetoheorum
None
CarnivoreHypselospinus fittoni
None
HerbivoreHypsiloichnus marylandicus
None
HerbivoreHypsilophodon
None
HerbivoreHypsilophodon foxii
None
HerbivoreHypsilophodontidae
None
HerbivoreIberomesornis
None
CarnivoreIberomesornis romerali
None
CarnivoreIberosauripus
None
CarnivoreIberospinus natarioi
None
CarnivoreIchthyovenator laosensis
None
CarnivoreIgnotornis
None
CarnivoreIgnotornis gajinensis
None
CarnivoreIgnotornis mcconnelli
None
CarnivoreIgnotornis yangi
None
CarnivoreIguanacolossus
None
HerbivoreIguanacolossus fortis
None
HerbivoreIguanodon
Ornithischia
HerbivoreIguanodon bernissartensis
None
HerbivoreIguanodon galvensis
None
HerbivoreIguanodon major
None
HerbivoreIguanodontia
None
HerbivoreIguanodontidae
None
HerbivoreIguanodontipodidae
None
HerbivoreIguanodontipus
None
HerbivoreIguanodontipus burreyi
None
HerbivoreIguanodontoidea
None
HerbivoreIlerdopteryx viai
None
CarnivoreImparavis
None
CarnivoreIncisivosaurus
None
OmnivoreIncisivosaurus gauthieri
None
OmnivoreIrenesauripus
None
CarnivoreIrenesauripus mclearni
None
Carnivore