| Jurassic predator Allosaurus atrox |
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| bizarre Alxasaurus elesitaiensis | (This animal very likely had feathery integument.) |
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| Amargasaurus cazaui, a sauropod with high neck spines |
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| long-frilled ceratopsid Anchiceratops ornatus |
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| Anhanguera santanae in flight |
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| armored, club-tailed Ankylosaurus magniventris |
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| Apatosaurus, a.k.a. Brontosaurus |
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| early bird Archaeopteryx lithographica |
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| head of Baryonyx walkeri, with skull |
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| strange carnivore Baryonyx walkeri | (This animal only had three manual digits.) |
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| high-spined theropod Becklespinax altispinax |
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| huge, tall Brachiosaurus |
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| Jurassic herbivore Camarasaurus |
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| huge predator Carcharodontosaurus saharicus |
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| head of Carnotaurus sastrei, with skull |
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| bizarre South American horned predator Carnotaurus sastrei |
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| horned herbivore Centrosaurus apertus |
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| the grinning maw of Ceratosaurus nasicornis |
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| horned predator Ceratosaurus nasicornis | (The fourth (outer) finger of this animal did not have a claw.) |
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| Ceratosaurus nasicornis on the go | (The fourth (outer) finger of this animal did not have a claw.) |
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| Chasmosaurus belli displays its frill. |
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| early predator Coelophysis bauri |
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| tiny predator Coelurus agilis | (This animal may have had feathery integument.) |
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| fleet-footed Compsognathus longipes | (This animal almost certainly had feathery integument.) |
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| helmet-crested duck-bill Corythosaurus casuarius |
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| “cow-licked” Antarctic predator Cryolophosaurus elliotti |
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| late predator Daspletosaurus torosus |
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| sickle-clawed killer Deinonychus antirrhopus | (This animal almost certainly had feathery integument.) |
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| African predator Deltadromeus agilis |
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| crested carnivore Dilophosaurus wetherilli |
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| sail-backed synapsid Dimetrodon |
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| Jurassic pterosaur Dimorphodon in flight |
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| long sauropod Diplodocus | (This animal probably had dermal spines down its back.) |
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| Dromaeosaurus albertensis leaps! | (This animal almost certainly had feathery integument.) |
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| Dromiceiomimus brevitertius, the “emu-mimic” |
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| Japanese ceratopsian “Echizensaurus” | (This animal is unpublished and known only from teeth.) |
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| sail-back herbivorous “proto-mammal” Edaphosaurus |
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| a young Edmontosaurus |
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| Three Elasmosaurus swim about on the surface. |
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| The very early predator Eoraptor lunensis examines a log. |
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| well-armored Euoplocephalus tutus |
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| Eustreptospondylus oxoniensis, a typical theropod predator |
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| Japanese ornithopod Fukuisaurus |
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| Futabasaurus, a possible early tyrannosauroid from Japan |
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| Gallimimus bullatus, a large “ostrich-mimic” |
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| Giganotosaurus carolinii on the prowl |
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| Gorgosaurus libratus snarls. |
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| the head of Gorgosaurus libratus, with skull |
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| the fearsome Gorgosaurus libratus |
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| Late Triassic predator Herrerasaurus ischigualastensis |
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| the two genders of Heterodontosaurus tucki |
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| Homalocephale calathocercos, the dinosaurian equivalent of a battering ram |
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| crested duck-bill Hypacrosaurus altispinus |
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| Sprinting ornithopod Hypsilophodon foxii |
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| Iguanodon, a large ornithopod |
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| Japanese stegosaur “Katsuyamakensaurus” | (This animal has not been published.) |
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| fragmentary Japanese theropod Katsuyamasaurus |
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| spiked and plated Kentrosaurus aethiopicus |
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| undescribed Japanese deinonychosaur Kitadanisaurus | (This animal almost certainly had feathery integument.) |
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| hatchet-crested Lambeosaurus lambei |
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| Liliensternus liliensterni, an early medium-large predator |
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| A family of Maiasaura peeblesorum |
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| crested head of Majungatholus atopus |
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| odd-headed predator Majungatholus atopus |
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| loooong-necked Mamenchisaurus |
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| Megalosaurus bucklandii, the first non-neornithean theropod to be described |
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| crested predator Monolophosaurus jiangi at full speed |
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| freakish one-clawed bird(?) Mononykus olecranus |
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| the plesiosaur Muraenosaurus |
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| aberrant abelisaur Noasaurus leali |
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| Nyctosaurus, a pterodactyloid |
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| Ornitholestes hermanni springs forward. |
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| Ornithomimus, the “bird-mimic” |
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| sail-backed duck-bill Ouranosaurus nigeriensis |
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| Mongolian theropod Oviraptor philoceratops |
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| dome-headed Pachycephalosaurus wyomingensis |
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| freaky-headed Pachyrhinosaurus canadensis |
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| the crested head of Parasaurolophus walkeri |
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| tube-crested Parasaurolophus walkeri |
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| Parasaurolophus walkeri lets out a call. |
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| Pelorosaurus conybearei stands tall. |
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| Pentaceratops sternbergi lifts its enormous frill. |
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| Piatnitzkysaurus floresi, a South American predator |
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| Proceratosaurus bradleyi, a nasal-crested coelurosaur |
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| Tiny Procompsognathus triassicus sprints through Late Triassic flora. |
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| a male(?) Protoceratops andrewsi |
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| Psittacosaurus mongoliensis, a primitive ceratopsian |
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| long-crested Pteranodon ingens |
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| Pteranodon sternbergi swoops through the skies. |
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| humongous pterodactyloid Quetzalcoatlus northropi |
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| Rhamphorhynchus, a well-known pterosaur |
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| Asian ankylosaur Saichania chulsanensis |
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| armored giant Saltasaurus loricatus |
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| “Saltopus” elginensis, a poorly-known archosaur of some sort |
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| the head of Saurolophus osborni |
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| small-crested Saurolophus osborni |
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| big-eyed, sickle-clawed Saurornithoides mongoliensis | (This animal may have had feathery integument.) |
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| Saurornitholestes langstoni chases down a dragonfly. | (This animal almost certainly had feathery integument.) |
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| early armored dinosaur Scelidosaurus harrisonii |
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| Scutellosaurus lawleri, forerunner to the armored ornithischians |
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| the therizinosaurid Segnosaurus galbinensis | (This animal very likely had feathery integument.) |
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| the club-tailed sauropod Shunosaurus lii |
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| small carnivore Sinornithoides youngi | (This animal may have had feathery integument.) |
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| A Sinosauropteryx prima feeds a small animal to its mate. | (This animal had feathery integument all over its body, not just the back.) |
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| Sinraptor dongi, an Asian carnosaur |
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| enormous sail-backed predator Spinosaurus aegyptiacus |
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| Staurikosaurus pricei, a very early hunter from South America |
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| Stegoceras validum, a dinosaur with a built-in hard hat |
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| Stegosaurus armatus, largest of the plated ornithischians | (This animal had a throat pouch covered with bony ossicles.) |
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| the speedy Struthiomimus altus |
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| multi-spiked apparition Styracosaurus albertensis |
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| Suchomimus tenerensis on the hunt |
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| Japanese sauropod Sugiyamasaurus | (This animal is undescribed and based on teeth.) |
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| primitive iguanodont Tenontosaurus tillettorum |
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| huge-clawed Therizinosaurus cheloniformis | (This animal very likely had feathery integument.) |
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| huge-headed Torosaurus latus |
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| triply-horned Triceratops horridus |
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| the coelurosaur Troodon formosus | (This animal may have had feathery integument.) |
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| spike-headed duck-bill Tsintaosaurus spinorhinus |
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| unpublished Japanese theropod “Tsuchikurasaurus” |
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| Asian stegosaur Tuojiangosaurus multispinus |
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| late Asian predator Tarbosaurus bataar |
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| A juvenile Tyrannosaurus rex (Nanotyrannus lancensis)downs a small dinosaur. |
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| Tyrannosaurus rex from behind |
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| A roaming Tyrannosaurus rex spots us. |
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| head of Tyrannosaurus rex, with skull |
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| mighty Tyrannosaurus rex in action |
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| huge deinonychosaur Utahraptor ostrommaysorum | (This animal almost certainly had feathery integument.) |
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| head of Velociraptor mongoliensis, with skull | (This animal almost certainly had feathery integument.) |
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| small hunter Velociraptor mongoliensis | (This animal almost certainly had feathery integument.) |
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| Two Velociraptor mongoliensis keep watch over the dunes of Late Cretaceous Mongolia. | (This animal almost certainly had feathery integument.) |
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| Velociraptor mongoliensis with and without feathers | (This animal almost certainly had feathery integument.) |
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| the plated Wuerhosaurus ordosensis |
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| head of Yangchuanosaurus shangyouensis, with skull |
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| Yangchuanosaurus shangyouensis on the move |
