Dinosaurus

Ibidopsis hordwelliensis

Ibidopsis hordwelliensis

Carnivore

Ichthyornis

Ichthyornis

Cretaceous Late Piscivore

Icterus portoricensis

Icterus portoricensis

Herbivore

Icteridae

Icteridae

Herbivore

Icterus oberi

Icterus oberi

Herbivore

Ictinaetus malaiensis

Ictinaetus malaiensis

Carnivore

Ictinia

Ictinia

Carnivore

Pseudotrisauropus humilis

Pseudotrisauropus humilis

Triassic Late

Iguanodon galvensis

Iguanodon galvensis

Cretaceous Early Herbivore

Iguanodontipus burreyi

Iguanodontipus burreyi

Cretaceous Early Herbivore

Pseudotrisauropus maserui

Pseudotrisauropus maserui

Triassic Late

Ilbandornis

Ilbandornis

Herbivore

Incisivosaurus

Incisivosaurus

Cretaceous Early Omnivore

Ingenia

Ingenia

Cretaceous Late Omnivore

Inguza predemersus

Inguza predemersus

Carnivore

Iranosauripus zerabensis

Iranosauripus zerabensis

Jurassic Early Carnivore

Irenesauripus acutus

Irenesauripus acutus

Jurassic Late Carnivore

Irenesauripus occidentalis

Irenesauripus occidentalis

Cretaceous Early Carnivore

Dryptosauridae

Dryptosauridae

Cretaceous Late Carnivore

Pseudotrisauropus minusculus

Pseudotrisauropus minusculus

Triassic Late

Isisaurus

Isisaurus

Cretaceous Late Herbivore

Pseudotrisauropus molekoi

Pseudotrisauropus molekoi

Triassic Late

Itemirus medullaris

Itemirus medullaris

Cretaceous Late Carnivore

Ixobrychus dubius

Ixobrychus dubius

Piscivore

Jabiru mycteria

Jabiru mycteria

Carnivore

Jacana

Jacana

Carnivore

Jainosaurus septentrionalis

Jainosaurus septentrionalis

Cretaceous Late Herbivore

Jacanidae

Jacanidae

Carnivore

Jaxartosaurus

Jaxartosaurus

Cretaceous Late Herbivore

Janenschia robusta

Janenschia robusta

Jurassic Late Herbivore

Jeholornis curvipes

Jeholornis curvipes

Cretaceous Early Carnivore

Dryptosaurus aquilunguis

Dryptosaurus aquilunguis

Cretaceous Late Carnivore

Pseudotrisauropus subengensis

Pseudotrisauropus subengensis

Jurassic Early

Jianchangornis microdonta

Jianchangornis microdonta

Cretaceous Early Carnivore

Jiangxititan ganzhouensis

Jiangxititan ganzhouensis

Cretaceous Late Herbivore

Jibeinia luanhera

Jibeinia luanhera

Cretaceous Early Carnivore

Jinfengopteryx elegans

Jinfengopteryx elegans

Cretaceous Early Carnivore

Jingshanosaurus xinwaensis

Jingshanosaurus xinwaensis

Jurassic Early

Jinguofortis perplexus

Jinguofortis perplexus

Cretaceous Early Carnivore

Jiuquanornis niui

Jiuquanornis niui

Cretaceous Early Carnivore

Joaquinraptor casali

Joaquinraptor casali

Cretaceous Late Carnivore

Judiceratops tigris

Judiceratops tigris

Cretaceous Late Herbivore

Juncitarsidae

Juncitarsidae

Carnivore

Junco

Junco

Carnivore

Dubreuillosaurus valesdunensis

Dubreuillosaurus valesdunensis

Jurassic Middle Carnivore

Kaatedocus siberi

Kaatedocus siberi

Jurassic Late Herbivore

Jynx torquilla

Jynx torquilla

Insectivore

Kaijutitan maui

Kaijutitan maui

Cretaceous Late Herbivore