Ornithomimus

E376621
coelurosaur ornithomimid theropod dinosaur

Ornithomimus was a fast, ostrich-like theropod dinosaur known for its long legs, toothless beak, and likely omnivorous diet during the Late Cretaceous period.

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All labels observed (4)

Label Occurrences
Ornithomimidae 1
Ornithomimosauria 1
Ornithomimus canonical 1

Statements (49)

Predicate Object
instanceOf coelurosaur ⓘ
ornithomimid ⓘ
theropod dinosaur ⓘ
beakType keratinous toothless beak ⓘ
bodyPlanComparedTo ostrich ⓘ
clade Coelurosauria ⓘ
Dinosauria ⓘ
Theropoda ⓘ
coexistedWith Triceratops ⓘ
Tyrannosaurus ⓘ
surface form: Tyrannosaurus rex
diet omnivorous ⓘ
ecologicalRole medium-sized omnivore ⓘ
estimatedLength 3.5 m ⓘ
estimatedMass 150 kg ⓘ
family Ornithomimus self-linksurface differs ⓘ
surface form: Ornithomimidae
forelimbFeature long arms ⓘ
three-fingered hands ⓘ
fossilType isolated bones ⓘ
partial skeletons ⓘ
skeletons ⓘ
likelyBehavior active forager ⓘ
fast runner ⓘ
livedIn Alberta ⓘ
Canada ⓘ
Montana ⓘ
New Mexico ⓘ
North America ⓘ
South Dakota ⓘ
United States of America ⓘ
surface form: United States
locomotion bipedal ⓘ
meaningOfName bird mimic ⓘ
namedBy Othniel Charles Marsh ⓘ
notableFeature long legs ⓘ
long neck ⓘ
long tail ⓘ
small head ⓘ
toothless beak ⓘ
period Late Cretaceous ⓘ
possibleDiet fruits ⓘ
insects ⓘ
plants ⓘ
small vertebrates ⓘ
reproduction oviparous ⓘ
tailFunction balance during running ⓘ
taxonRank genus ⓘ
thermoregulation likely warm-blooded ⓘ
timeSpan Campanian ⓘ
Maastrichtian ⓘ
yearDescribed 1890 ⓘ

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Hell Creek Formation → containsFossil → Ornithomimus ⓘ
Hell Creek Formation → containsFossil → Ornithomimus ⓘ
this entity surface form: Struthiomimus
Tetanurae → includesTaxon → Ornithomimus ⓘ
this entity surface form: Ornithomimosauria
Ornithomimus → family → Ornithomimus self-linksurface differs ⓘ
this entity surface form: Ornithomimidae