Data Deficient

Terror Bird

Run fast. Strike hard. Terror bird.

Spinosaurus

Sail-backed hunter of ancient rivers

Compsognathus

Small body, sharp bite, Jurassic sprint

Ceratosaurus

The horned hunter of the Morrison

Tarbosaurus

Nemegt's tyrant king

Dickinsonia

Quilted giant of Earth's deep past

Plesiosaur

Four flippers, many lifestyles

Tully Monster

Illinois' Carboniferous mystery creature

Leedsichthys

Jurassic seas' gentle giant filter-feeder

Suchomimus

Croc-snouted hunter of Cretaceous Niger

Psittacosaurus

Small beak, big Cretaceous success

Troodon

Famous, brainy, and taxonomically tricky

Amargasaurus

Two spines, one Patagonian icon

Microraptor

Four wings, one big flight story

Tyrannosaurus Rex

Late Cretaceous king of crushing bites

Ichthyosaurus

Fish-lizard, built for speed

Megalania

Pleistocene Australia's giant goanna

Achrioptera Manga

Madagascar's master of mimicry

Thanatosdrakon

Argentina's "death dragon" of the skies

Velociraptor

Swift seizer of the Gobi

Anomalocaris

Cambrian seas' original superpredator

Styracosaurus

A horned face full of spikes

Pterodactyl

Not dinosaurs-masters of Mesozoic skies

Repenomamus

The mammal that could tackle dinosaurs