Acrocanthosaurus was a large meat-eating dinosaur from Early Cretaceous North America. It was not T. rex, but it was one of the biggest predators in its ecosystem. Its name means high-spined lizard because tall spines on its neck, back, and tail likely supported a raised ridge of muscle or tissue.

Albertosaurus was a meat-eating tyrannosaur dinosaur from Late Cretaceous Canada. It was not T. rex, but it was a close relative from the same big predator family. Albertosaurus was slimmer and slightly earlier than T. rex, with powerful legs, sharp teeth, two-fingered hands, and fossils famous from Alberta.

Alioramus was a long-snouted tyrannosaurid dinosaur from Late Cretaceous Mongolia. It was not T. rex, but it belonged to the tyrannosaur family. Alioramus had a slim body, long low skull, many teeth, and small bony horns or crests on its face, making it one of the strangest tyrannosaurs.

Allosaurus was a large meat-eating dinosaur from the Late Jurassic Period. It had sharp teeth, strong legs, three-fingered hands, and a big skull, making it one of the best-known predators from Jurassic North America.

Amargasaurus was a small sauropod dinosaur from Early Cretaceous Patagonia in Argentina. It was not a meat-eater and not a giant like Argentinosaurus, but it had one of the strangest necks in dinosaur history. Tall paired spines rose from its neck and back, possibly supporting display structures, muscles, or protective features.

Anchiornis was a tiny feathered dinosaur from Jurassic China. It was not a modern bird, but it was close to the bird line and helps scientists understand how feathers and flight-related bodies evolved. Its fossils are so detailed that researchers mapped much of its color pattern, giving kids one of the clearest looks at a real dinosaur costume.

Ankylosaurus was a heavily armored plant-eating dinosaur with bony plates across its body and a famous club at the end of its tail. It lived in western North America near the end of the Cretaceous Period, making it one of the last great armored dinosaurs.

Apatosaurus was a huge plant-eating sauropod dinosaur with a long neck, long tail, small head, and very heavy body. It lived during the Late Jurassic Period in North America and is often remembered because of its long connection with Brontosaurus in dinosaur history.

Archaeopteryx was a famous early avialan from Late Jurassic Germany. It was not a modern bird, and it was not a giant dinosaur. It sat close to the bird-dinosaur transition, with feathers and wings like a bird, but also teeth, a long bony tail, and clawed fingers like small theropod dinosaurs.

Argentinosaurus was a gigantic plant-eating sauropod dinosaur from Late Cretaceous Argentina. It had a long neck, long tail, huge body, and four pillar-like legs. Because its fossils are incomplete, scientists use careful estimates to understand just how enormous this titanosaur may have been.

Aucasaurus was a meat-eating abelisaurid dinosaur from Late Cretaceous Patagonia in Argentina. It was not T. rex, but it was related to Carnotaurus. Aucasaurus is especially useful to scientists because it is known from an almost complete skeleton, including tiny reduced arms that show how strange abelisaurid bodies could become.

Avaceratops was a small horned dinosaur from Late Cretaceous Montana. It was not Triceratops, though it belonged to the same wider ceratopsian group. Avaceratops had a parrot-like beak, a frill at the back of the skull, and probably browsed on plants in wet, forested Judith River habitats.

Bambiraptor was a tiny meat-eating dinosaur from Late Cretaceous Montana. It was not Velociraptor, though it was a close raptor relative in the dromaeosaurid family. The famous fossil was found by a 14-year-old on a ranch, and its bird-like skeleton helped scientists study links between small dinosaurs and birds.

Barosaurus was a giant long-necked sauropod dinosaur from the Late Jurassic. It was not a meat-eater and not the same as Diplodocus, though it was a close diplodocid relative. Barosaurus is famous for its extra-long neck, long whip-like tail, plant diet, Morrison Formation fossils, and a dramatic rearing mount at the American Museum of Natural History.

Beipiaosaurus was a strange feathered theropod dinosaur from Early Cretaceous China. It was not a bird and not a giant like Therizinosaurus, but it belonged to the therizinosaur branch. Beipiaosaurus had long arms, big claws, a pot-bellied plant-eating body plan, and unusual feathers including broad ribbon-like filaments.

Brachiosaurus was a giant plant-eating sauropod dinosaur with a long neck, small head, huge body, and front legs longer than its back legs. It lived during the Late Jurassic Period and used its tall body to reach leaves many other dinosaurs could not reach.

Camarasaurus was a long-necked sauropod dinosaur from Late Jurassic North America. It was not a meat-eater and not as extremely long as Diplodocus, but it was one of the most common sauropods in the Morrison Formation. Camarasaurus had a boxy skull, spoon-shaped teeth, chambered vertebrae, and a strong bite for tough plants.

Camptosaurus was a plant-eating ornithopod dinosaur from the Late Jurassic. It was not a duck-billed dinosaur, but it was related to the broader plant-eating line that later produced big hadrosaurs. Camptosaurus had a beak, strong hind legs, useful front limbs, and could probably move on two legs or all fours while browsing in Morrison Formation habitats.

Carcharodontosaurus was a huge meat-eating dinosaur from Cretaceous North Africa. Its name means shark-toothed lizard because its teeth had sharp edges like those of some sharks, making it one of the most famous giant predators from ancient Africa.

Carnotaurus was a meat-eating dinosaur from South America with a deep skull, sharp teeth, very short arms, long legs, and two horn-like bumps above its eyes. It lived during the Late Cretaceous Period and is one of the most recognizable horned predators.

Ceratosaurus was a meat-eating dinosaur from the Late Jurassic. It was not T. rex and not Allosaurus, though it lived in some of the same ecosystems as Allosaurus. Ceratosaurus had a horn on its nose, smaller horn bumps above its eyes, deep jaws, blade-like teeth, short but useful arms, and a row of small bony plates along its back.

Citipati was a bird-like oviraptorid dinosaur from Late Cretaceous Mongolia. It was not a bird and not an egg thief in the old-fashioned sense. Famous Citipati fossils show adults sitting over nests of eggs in a bird-like brooding posture, helping scientists understand that some dinosaurs guarded their nests much like birds do today.

Coelophysis was a slender meat-eating dinosaur from the Late Triassic. It was not T. rex and not a giant predator, but it was one of the best-known early dinosaurs. Thousands of bones from Ghost Ranch in New Mexico help scientists study its long neck, hollow bones, sharp teeth, fast legs, and life in ancient desert-like floodplains.

Compsognathus was a small meat-eating dinosaur from Late Jurassic Europe. It had a light body, long tail, strong back legs, tiny arms, and sharp teeth. Fossils even show clues about what it ate, making this little dinosaur especially interesting to scientists.

Concavenator was a meat-eating dinosaur from Early Cretaceous Spain. It was not T. rex, but it belonged near the shark-toothed carcharodontosaurian dinosaurs. Concavenator is famous for two very tall backbone spines in front of its hips, creating a strange hump or ridge, plus debated bumps on its arm bone that some scientists linked to feather-like structures.

Confuciusornis was an early beaked bird from Early Cretaceous China. It was not a modern bird, but it already had a toothless beak, feathers, wings, and a short bony tail ending in a pygostyle. Hundreds of fossils have been found, making it one of the best-known birds from the dinosaur age.

Corythosaurus was a duck-billed plant-eating dinosaur with a tall helmet-like crest on its head. It lived during the Late Cretaceous Period in North America, and scientists think its hollow crest may have helped it make sounds or recognize others of its kind.

Cryolophosaurus was a meat-eating dinosaur from Early Jurassic Antarctica. It was not T. rex and not a polar bear dinosaur. Antarctica was much warmer when Cryolophosaurus lived, with forests and volcanic landscapes. This theropod is famous for a sideways crest across the top of its skull, giving it one of the flashiest dinosaur hairstyles.

Daspletosaurus was a powerful tyrannosaurid dinosaur from Late Cretaceous North America. It was not T. rex, but it was a close relative with a deep skull, strong jaws, two-fingered hands, and banana-shaped teeth. Daspletosaurus lived in places that are now Alberta and Montana before later tyrannosaurs took over the spotlight.

Deinocheirus was a giant, strange-looking dinosaur from Late Cretaceous Mongolia. It was not a duck-billed hadrosaur and not a T. rex, but the largest known ornithomimosaur. For decades, scientists knew only its enormous arms and hands, until more complete skeletons revealed a wide snout, tall back spines, bulky body, and broad feet.

Deinonychus was a fast-looking meat-eating dinosaur from Early Cretaceous North America. It had sharp teeth, grasping hands, a long stiff tail, and a famous curved claw on the second toe of each foot. This dinosaur helped change how scientists imagined active, bird-like dinosaurs.

Diabloceratops was a horned dinosaur from Late Cretaceous Utah. It was not Triceratops, but it belonged to the ceratopsian family and lived millions of years earlier. Its name means devil-horned face because it had dramatic horns and long curved spikes on its frill, giving it one of the boldest skull shapes among early centrosaurines.

Dilophosaurus was a large meat-eating dinosaur from Early Jurassic North America. It had two thin crests on its head, sharp teeth, strong legs, and a long tail. Movie versions gave it a neck frill and venom, but fossils do not show evidence for either one.

Diplodocus was a giant plant-eating sauropod dinosaur with a long neck, very long tail, small head, and four sturdy legs. It lived during the Late Jurassic Period in western North America and became famous for one of the longest dinosaur body shapes ever studied.

Dreadnoughtus was a gigantic plant-eating titanosaur from Late Cretaceous Patagonia. It had a long neck, long tail, huge body, and four strong legs. Its fossil skeleton is unusually complete for such a massive dinosaur, helping scientists study giant sauropods in more detail.

Edmontosaurus was a large duck-billed plant-eating dinosaur from Late Cretaceous North America. It had a broad beak, many chewing teeth, strong legs, and a long tail. Some fossils even preserve skin impressions, giving scientists rare clues about what this dinosaur looked like.

Einiosaurus was a horned dinosaur from Late Cretaceous Montana. It was not Triceratops, but it was a centrosaurine ceratopsid with a very unusual nose horn that curved forward and downward. Fossils from the Two Medicine Formation suggest Einiosaurus lived in groups, giving scientists rare clues about horned dinosaur growth and herd life.

Eoraptor was one of the earliest known dinosaurs from Late Triassic Argentina. It was not a giant like T. rex and not a true bird ancestor with feathers. This small, quick dinosaur lived in the Ischigualasto Formation, where early dinosaurs shared the world with many other reptiles and mammal relatives.

Eotriceratops was a huge horned dinosaur from Late Cretaceous Alberta. It was not exactly Triceratops, but it was a close relative and may have been near the early part of the Triceratops group. Its name means dawn three-horned face, and its fossils were found at Dry Island Buffalo Jump Provincial Park.

Euoplocephalus was an armored ankylosaurid dinosaur from Late Cretaceous North America. It was not a meat-eater and not Ankylosaurus, though it belonged to the same armored dinosaur family. Euoplocephalus had bony plates, body armor, a wide skull, a tail club, and even small bony eyelid armor that could help protect its eyes.

Fukuiraptor was a meat-eating dinosaur from Early Cretaceous Japan. It was not T. rex, but it was an important Japanese theropod and is often discussed with megaraptorans or allosauroid relatives. The Fukui Prefectural Dinosaur Museum says Fukuiraptor was about 4.2 metres long, had relatively long hands, and carried large thin hand claws.

Fukuisaurus was a plant-eating dinosaur from Early Cretaceous Japan. It was an iguanodontian ornithopod, related to dinosaurs such as Iguanodon and Altirhinus. Fukuisaurus was described from well-preserved skull material found at Katsuyama in Fukui Prefecture, and it helped show how rich Japan’s Kitadani dinosaur ecosystem was.

Gallimimus was a long-legged theropod dinosaur from Late Cretaceous Mongolia. It looked a bit like an ostrich, with a small head, long neck, long tail, and powerful legs. Scientists think it was a fast-moving dinosaur that may have eaten a mixed diet.

Giganotosaurus was a giant meat-eating dinosaur from Late Cretaceous South America. It had a huge skull, sharp blade-like teeth, strong legs, and a long tail for balance, making it one of the largest land predators known from dinosaur fossils.

Gigantoraptor was a huge bird-like dinosaur from Late Cretaceous Inner Mongolia, China. It was not a raptor like Velociraptor, despite its name. Gigantoraptor was an oviraptorosaur, a group usually known for smaller feathered dinosaurs, but this one grew around 8 metres long and weighed about 1.4 to 2 tonnes.

Herrerasaurus was one of the earliest known dinosaurs, living in Late Triassic Argentina long before T. rex. It was not a giant Jurassic monster, but a fast, sharp-toothed predator from a time when dinosaurs were still rare. Fossils from the Ischigualasto Formation help scientists study how the first dinosaurs began to take shape.

Hypsilophodon was a small, agile plant-eating dinosaur from Early Cretaceous England. Scientists once thought it climbed trees, but the Natural History Museum explains that this came from a misunderstanding of its toe bones. Today, Hypsilophodon is seen as a fast ground runner that may have lived in groups.

Iguanodon was a large plant-eating dinosaur with a beak, strong back legs, useful front limbs, and famous thumb spikes. It lived during the Early Cretaceous Period and was one of the first dinosaurs ever named by scientists.

Kentrosaurus was a plant-eating stegosaur from Late Jurassic Tanzania. It was related to Stegosaurus, but it was smaller and much spikier. Instead of carrying only broad plates, Kentrosaurus had small plates along its front body that changed into long sharp spikes over its hips and tail, plus a shoulder spike on each side.

Kosmoceratops was a spectacular horned dinosaur from Late Cretaceous Utah. It was not Triceratops, but it belonged to the same big ceratopsian family. Kosmoceratops is famous for having one of the most decorated dinosaur skulls ever found, with horns over the eyes, on the nose and cheeks, and a frill covered in curling spikes.

Kritosaurus was a large duck-billed dinosaur from Late Cretaceous North America. It was not a meat-eater and not a crested lambeosaur like Parasaurolophus. Kritosaurus is famous partly because its type skull is incomplete, especially around the snout, so scientists have debated exactly how its nose and crest looked.

Lambeosaurus was a crested duck-billed dinosaur from Late Cretaceous western North America. It was not Parasaurolophus, although both were lambeosaurine hadrosaurs with hollow head crests. Lambeosaurus had a hatchet-shaped crest with long nasal passages inside, a duck-like beak, grinding teeth, and a plant-eating lifestyle.

Leaellynasaura was a small plant-eating dinosaur from Early Cretaceous Victoria, Australia. It was not a meat-eater and not a giant sauropod, but a tiny ornithischian from a polar world. When it lived, southern Australia sat much closer to Antarctica, so Leaellynasaura may have faced long winter darkness in forests far warmer than Antarctica today.

Lurdusaurus was a heavy plant-eating dinosaur from Early Cretaceous Niger. It was an iguanodontian, related to plant eaters such as Iguanodon, but its body was unusually bulky and low. With a small skull, long neck, powerful forelimbs, and a huge thumb spike, Lurdusaurus looked less like a speedy runner and more like a slow riverbank browser.

Maiasaura was a duck-billed plant-eating dinosaur from Late Cretaceous North America. Its name means good mother lizard because fossils from nesting sites showed eggs, babies, and young dinosaurs together, giving scientists important clues about dinosaur family life.

Mapusaurus was a giant meat-eating dinosaur from Late Cretaceous Argentina. It was not T. rex, but it was a carcharodontosaurid, part of the shark-toothed predator family close to Giganotosaurus. Mapusaurus is famous from a bonebed with several individuals, giving scientists rare clues about a huge theropod population.

Massospondylus was an early sauropodomorph dinosaur from southern Africa. It was not a giant sauropod like Diplodocus, but it belonged near the early branch that later led to long-necked giants. Massospondylus is especially famous because eggs, embryos, and nesting sites in South Africa give scientists rare clues about dinosaur babies.

Megalosaurus was a large meat-eating dinosaur from Middle Jurassic England. It was not T. rex, and it lived much earlier. Megalosaurus is famous because William Buckland described it in 1824, making it the first dinosaur to receive a scientific name, even before the word dinosaur existed.

Microraptor was a small feathered dinosaur from Early Cretaceous China. It was not a modern bird, but it was a dromaeosaurid raptor close to the bird line. Microraptor is famous for having long feathers on both its arms and legs, giving it a four-winged shape, and studies show it likely had glossy black, iridescent feathers.

Minmi was a small armored dinosaur from Early Cretaceous Queensland, Australia. It was not Ankylosaurus, but it belonged to the wider armored dinosaur group called ankylosaurs. Minmi is famous as the first ankylosaur named from the Southern Hemisphere and for bony armor plus unusual rods along its backbone.

Monolophosaurus was a meat-eating dinosaur from Middle Jurassic Xinjiang, China. It was not Dilophosaurus and not T. rex, but a crested theropod with one tall crest running along the middle of its skull. Its skull is one of the best-known Middle Jurassic Chinese theropod skulls, giving scientists a valuable predator puzzle piece.

Mussaurus was an early long-necked sauropodomorph dinosaur from Early Jurassic Patagonia, Argentina. It was not a giant sauropod like Brachiosaurus, but it belonged near the branch that later led to giants. Mussaurus is famous because eggs, embryos, juveniles, and adults from one site show some of the earliest evidence of herd-living among dinosaurs.

Nanshiungosaurus was a strange plant-eating therizinosaur dinosaur from Late Cretaceous southern China. It was not a giant raptor and not a sauropod, even though it had a long neck and bulky body. Like other therizinosaurs, Nanshiungosaurus likely had long arms, big claws, a pot-bellied body, and a mostly leafy diet.

Nasutoceratops was a horned dinosaur from Late Cretaceous Utah. It was not Triceratops, but it belonged to the ceratopsid family and had one of the most memorable faces in the group. Its name means big-nose horned face, and it had a large rounded snout, long curved brow horns, and a fairly simple frill.

Nigersaurus was a small long-necked sauropod dinosaur from Early Cretaceous Niger. It was not a meat-eater and not a giant like Brachiosaurus. Nigersaurus is famous for its wide straight-edged muzzle packed with more than 500 replaceable teeth, which helped it crop low plants like a prehistoric lawn trimmer.

Olorotitan was a hollow-crested duck-billed dinosaur from Late Cretaceous Far Eastern Russia. It was not a swan, even though its name means gigantic swan. This lambeosaurine hadrosaur is famous for its tall helmet-like crest, unusually long neck, plant-eating teeth, and one of the most complete dinosaur skeletons ever found in Russia.

Ouranosaurus was a large plant-eating ornithopod dinosaur from Early Cretaceous Niger. It was not a duck-billed hadrosaur, but it was an iguanodontian relative from the line near hadrosaurs. Ouranosaurus is famous for its tall back spines that likely formed a sail or hump, plus a beak and plant-grinding teeth.

Oviraptor was a small bird-like dinosaur from Late Cretaceous Asia with a toothless beak, long legs, feathers, and a mysterious fossil history. Its name means egg thief, but later discoveries showed that some oviraptor-like dinosaurs were actually caring for their own nests.

Pachycephalosaurus was a plant-eating dinosaur famous for its thick rounded skull dome. It lived in western North America near the end of the Cretaceous Period, and scientists still debate exactly how it used its unusual head.

Pachyrhinosaurus was a thick-nosed horned dinosaur from Late Cretaceous North America. It was not Triceratops, and instead of a long nose horn it had a large bony boss on its snout, with smaller bosses above the eyes. Fossils from Alberta and Alaska show a bulky plant eater that may have traveled in herds.

Parasaurolophus was a duck-billed plant-eating dinosaur with a long hollow crest stretching from the back of its head. It lived during the Late Cretaceous Period in North America and is famous for a crest that may have helped it make sounds.

Plateosaurus was an early long-necked dinosaur from Late Triassic Europe. It was not a giant sauropod like Brachiosaurus, but it belonged to the sauropodomorph line that later produced gigantic long-necked dinosaurs. Plateosaurus had a long neck, small head, strong back legs, a horny beak, grinding teeth, and a plant-eating lifestyle.

Protoceratops was a small horned-dinosaur relative from Late Cretaceous Asia. It had a parrot-like beak, a bony frill, four sturdy legs, and no large nose horn like Triceratops. Its fossils are famous from Mongolia and include eggs, nests, and the dramatic fighting dinosaurs fossil.

Psittacosaurus was a small beaked dinosaur from Early Cretaceous Asia. It was not Triceratops, but it was an early ceratopsian relative from the same broad horned-dinosaur line. Psittacosaurus had a parrot-like beak, strong cheek bones, plant-eating teeth, and in some fossils, long bristle-like structures along the tail.

Riojasaurus was a large early sauropodomorph dinosaur from Late Triassic Argentina. It was not a true giant sauropod like Argentinosaurus, but it was a heavy-bodied relative from before the age of the enormous long-necked dinosaurs. Riojasaurus had a long neck and tail, bulky legs, and fossils from both adults and young animals.

Rugops was a meat-eating dinosaur from Late Cretaceous Niger in Africa. It was not T. rex, but it belonged to the abelisaurid family, a group of theropod predators often known for short skulls and tiny arms. Rugops is known mainly from a partial skull with a rough, wrinkled surface and rows of small holes, making its face a fossil puzzle with extra texture.

Saltasaurus was a plant-eating sauropod dinosaur from Late Cretaceous Argentina. It was not a meat-eater and not one of the gigantic Jurassic sauropods, but it was a titanosaur with a surprising feature: bony armor plates embedded in its skin. Its discovery helped prove that at least some long-necked dinosaurs wore armor.

Sauroposeidon was a giant long-necked sauropod dinosaur from Early Cretaceous North America. It is famous for enormous neck vertebrae, which suggest it was one of the tallest dinosaurs. Its name means earthquake god lizard, a huge name for a huge plant eater.

Scutellosaurus was a small early armored dinosaur from Early Jurassic Arizona. It was not Stegosaurus or Ankylosaurus, but it belonged near the base of Thyreophora, the armored dinosaur branch that later produced both stegosaurs and ankylosaurs. Its body carried hundreds of little bony shields called osteoderms, while its long tail helped it balance.

Shantungosaurus was a gigantic duck-billed dinosaur from Late Cretaceous China. It was not a meat-eater and not a crested Lambeosaurus type, but it may have been the largest known hadrosaur. Shantungosaurus had a toothless beak at the front, hundreds of tiny chewing teeth in the jaws, a huge body, and fossils from Shandong Province.

Shunosaurus was a sauropod dinosaur from Jurassic China. It was not one of the gigantic later sauropods, but it is one of the best-known early sauropods because several skeletons and skulls have been found. Shunosaurus is especially famous for a small bony club at the end of its tail, a rare surprise for a long-necked dinosaur.

Sinornithosaurus was a small feathered dromaeosaurid dinosaur from Early Cretaceous China. It was not a modern bird, but it was close to the bird line and helps scientists understand how feathers spread through raptor dinosaurs. Some fossils preserve feather impressions, and its possible venomous bite was proposed in 2009 but later challenged.

Sinosauropteryx was a small feathered dinosaur from Early Cretaceous China. It was not a modern bird, but it became world-famous because it was one of the first non-bird dinosaurs found with clear feather-like body covering. Its fossils even preserve color clues, including a reddish-brown body and a banded tail.

Spinosaurus was a giant meat-eating dinosaur from North Africa with a long crocodile-like snout, cone-shaped teeth, and a tall sail on its back. Scientists think it spent time around rivers and wetlands, making it one of the strangest famous predatory dinosaurs.

Stegosaurus was a plant-eating dinosaur with a small head, sturdy body, tall back plates, and a spiky tail. It lived during the Late Jurassic Period, long before T. rex, and its fossils help scientists study one of the most recognizable armored dinosaurs.

Styracosaurus was a horned plant-eating dinosaur from Late Cretaceous North America. It had a large nose horn, a parrot-like beak, and a dramatic frill with long spikes around the edge, making it one of the spikiest ceratopsians.

Suchomimus was a large meat-eating dinosaur from Early Cretaceous Niger. It was not a crocodile, even though its name means crocodile mimic. Suchomimus belonged to the spinosaurid family and had a long narrow skull, cone-shaped teeth, powerful arms, huge thumb claws, and a body suited for catching fish and other prey near ancient rivers.

Supersaurus was an enormous long-necked sauropod dinosaur from Late Jurassic North America. It was not a meat-eater and not the same as Diplodocus, though it was a diplodocid relative. Supersaurus is famous because some estimates suggest it may have reached about 130 feet long, making it one of the longest dinosaurs ever discovered.

Tarbosaurus was a giant meat-eating dinosaur from Late Cretaceous Asia. It was not T. rex, but it was a close tyrannosaurid relative from Mongolia and China. With powerful jaws, sharp teeth, strong legs, and tiny two-fingered arms, Tarbosaurus was one of the top predators of its ecosystem.

Therizinosaurus was a strange theropod dinosaur from Late Cretaceous Asia with enormous claws, long arms, a bulky body, and a small head. Even though it belonged to a group related to many meat-eating dinosaurs, scientists think Therizinosaurus mostly ate plants.

Torosaurus was a huge horned dinosaur from Late Cretaceous North America. It looked a lot like Triceratops, but it is famous for its extra-long frill with large openings, called fenestrae. Some scientists have debated whether Torosaurus was its own dinosaur or a very old growth stage of Triceratops, so its identity is one of the great ceratopsian puzzles.

Torvosaurus was a large meat-eating dinosaur from the Late Jurassic Period. It was not T. rex and lived much earlier, alongside famous Jurassic dinosaurs such as Stegosaurus and giant sauropods. Torvosaurus was a megalosaurid theropod with a strong skull, sharp teeth, powerful arms, and fossils found in places including the USA, Portugal, and Germany.

Triceratops was a large plant-eating dinosaur with three horns, a big bony frill, a beak, and a strong body. It lived in western North America near the end of the Cretaceous Period, around the same time as Tyrannosaurus rex.

Tyrannosaurus rex, often called T. rex, was a giant meat-eating dinosaur that lived near the end of the Cretaceous Period. It had a huge head, strong legs, sharp teeth, and one of the most famous fossil stories in the dinosaur world.

Utahraptor was a giant meat-eating dinosaur from Early Cretaceous Utah. It belonged to the dromaeosaurid family, the same sickle-clawed group as Velociraptor, but it was much larger. Fossils show a powerful predator with a huge curved claw on each second toe, strong legs, sharp teeth, and a long balancing tail.

Velociraptor was a small feathered meat-eating dinosaur from Late Cretaceous Asia. Movie versions often make it too big, but the real Velociraptor was much smaller, quick, clever-looking, and armed with a famous curved claw on each foot.

Wuerhosaurus was a plant-eating stegosaur from Early Cretaceous China. It lived later than famous Jurassic stegosaurs such as Stegosaurus and is known from incomplete skeletons found in Xinjiang and Inner Mongolia. Its fossils show a broad-bodied dinosaur with bony back plates, strong limbs, and a tail that likely carried defensive spikes.

Yutyrannus was a giant feathered meat-eating dinosaur from Early Cretaceous China. It was an early tyrannosauroid relative of later giants such as Tyrannosaurus rex, but it had longer arms with three-fingered hands. Three nearly complete skeletons preserve long filament-like feathers, making Yutyrannus one of the clearest examples of a very large fluffy dinosaur.

Zuniceratops was a small horned dinosaur that lived in what is now New Mexico during the Late Cretaceous, roughly 90 million years ago. It had two noticeable horns above its eyes, a beak for cropping plants, and a broad frill, but no large horn on its nose. Its mix of early and advanced features helps scientists study how famous horned dinosaurs evolved.