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Late Cretaceous, Large spikes on its frill and a single horn

Late Cretaceous, One of the largest known land animals

Late Cretaceous, Known for its massive, scythe-like claws

Early Cretaceous, Four-winged dinosaur

Late Cretaceous, Large, helmet-like crest on the head

Late Jurassic, Curved, serrated teeth and three-fingered hands

Late Cretaceous, Ostrich-like with a toothless beak

Late Triassic, Among the oldest and most primitive theropods

Late Cretaceous, Very large brain for its size

Late Cretaceous, Three-horned face and large frill

Late Jurassic, Extremely long tail and neck

Late Jurassic, Early bird-like features including feathers

Late Cretaceous, One of the most complete giant titanosaur specimens

Early Cretaceous, First dinosaur found with evidence of feathers

Early Cretaceous, Long snout and large claw on the first finger

Late Cretaceous, Not a dinosaur but a flying reptile with a crest on its head

Early Cretaceous, Possibly the tallest dinosaur

Early Cretaceous, Largest member of the raptor family

Early to Late Cretaceous, Large spiny sail on its back

Late Jurassic, Small size, could have hunted in packs

Late Cretaceous, Thick domed skull

Late Jurassic, Smaller cousin of Stegosaurus with spines along its back and tail

Late Cretaceous, Known for its nesting behaviors and care for young

Late Jurassic, Distinctive horn on its snout

Late Jurassic, Distinctive rows of back plates and tail spikes

Late Jurassic, Long neck and large size

Late Cretaceous, Known for its speed and intelligence

Late Cretaceous, Unique long and curved cranial crest

Late Cretaceous, Short arms and bull-like horns above the eyes

Early Cretaceous, Similar to Spinosaurus with a large crocodile-like jaw

Late Cretaceous, Misnamed as 'egg thief'

Late Cretaceous, Powerful jaws with sharp teeth

Early Cretaceous, Large thumb spikes

Late Triassic, Early sauropodomorph with a long neck and small head

Late Triassic, One of the earliest known dinosaur genera

Late Cretaceous, Duck-billed with a possible soft-tissue crest

Late Cretaceous, Armored body with a large club at the tail

Early Cretaceous, Sharp, sickle-shaped claw on each foot

Late Jurassic, Once known as Brontosaurus