Explore cataloged non-avian dinosaurs of the Mesozoic Era. Each entry features verified anatomical dimensions, geological horizons, dietary classifications, and museum holotype provenance.
TheropodaCoelophysis bauri Cope, 1887
A slender, agile early theropod from the Late Triassic, known from hundreds of well-preserved skeletons at Ghost Ranch, New Mexico.
Compsognathus longipes Wagner, 1859
A petite, nimble Late Jurassic coelurosaur about the size of a chicken, historically famous as one of the smallest known dinosaurs.
TheropodaConcavenator corcovatus Ortega et al., 2010
A bizarre Early Cretaceous Spanish carcharodontosaurid featuring a sharp humped back and quill knobs on its arms.
OrnithopodaCorythosaurus casuarius Brown, 1914
A hollow-crested hadrosaurid from Alberta possessing a tall, semicircular helmet crest for sound resonance.
TheropodaCryolophosaurus ellioti Hammer & Hickerson, 1994
The 'frozen crested lizard', a large Early Jurassic apex theropod discovered high in the Transantarctic Mountains.
TheropodaDeinonychus antirrhopus Ostrom, 1969
The agile dromaeosaurid whose discovery catalyzed the modern Dinosaur Renaissance and established the dinosaur-bird evolutionary link.
CeratopsiaDiabloceratops eatoni Kirkland & DeBlieux, 2010
The 'devil-horned face', a basal centrosaurine featuring long curved brow horns and majestic frill spikes.
SauropodomorphaDicraeosaurus hansemanni Janensch, 1914
A specialized short-necked diplodocoid from Late Jurassic Tanzania bearing tall, bifurcated dorsal spines.
TheropodaDilophosaurus wetherilli Welles, 1954
An apex predator of the Early Jurassic possessing a pair of delicate, semicircular cranial crests along its skull.
SauropodomorphaDiplodocus carnegii Hatcher, 1901
A slender, extremely elongated sauropod of Late Jurassic North America equipped with an 80-vertebra whip-like tail.
SauropodomorphaDreadnoughtus schrani Lacovara et al., 2014
The 'fearing nothing' super-titanosaur from Argentina, with the most complete skeleton of any giant titanosaur.
TheropodaDromaeosaurus albertensis Matthew & Brown, 1922
The namesake of the dromaeosaurid family, possessing a robust skull and crushing bite force for its size.
OrnithopodaDryosaurus altus Marsh, 1878
A swift, bipedal ornithopod with large eyes and stiffened tail that dashed across Late Jurassic North America.
OrnithopodaEdmontosaurus regalis Lambe, 1917
A colossal duck-billed hadrosaurid that was the primary herbivore of Late Cretaceous North America.
SauropodomorphaEoraptor lunensis Sereno et al., 1993
A diminutive Late Triassic dinosaur from Argentina whose phylogenetic position between basal Theropoda and stem-Sauropodomorpha has been extensively debated.
AnkylosauriaEuoplocephalus tutus Lambe, 1910
A heavily armored, tank-like ankylosaurid with armored eyelids and a massive bone-crushing tail club.
TheropodaGallimimus bullatus Osmólska et al., 1972
The largest known ornithomimid 'ostrich dinosaur', famous for its immense running speed across ancient Mongolia.
AnkylosauriaGargoyleosaurus parkpinorum Carpenter et al., 1998
One of the earliest and most complete ankylosaurs known, discovered in the Late Jurassic Morrison Formation.
TheropodaGasosaurus constructus Dong & Tang, 1985
A basal tetanuran carnivore discovered during the construction of a natural gas facility in Sichuan, China.
TheropodaGiganotosaurus carolinii Coria & Salgado, 1995
A titanic South American carcharodontosaurid apex carnivore rivaling Tyrannosaurus in overall body length.
SauropodomorphaGiraffatitan brancai Janensch, 1914
A towering, high-browsing brachiosaurid sauropod from the Late Jurassic Tendaguru beds of Tanzania.
TheropodaGuanlong wucaii Xu et al., 2006
A feathered, crested early tyrannosauroid from the Late Jurassic of China that lived 90 million years before T. rex.
TheropodaHerrerasaurus ischigualastensis Reig, 1963
An early predatory dinosaur from the Late Triassic Ischigualasto Formation of Argentina whose precise phylogenetic position near the root of Saurischia remains debated.
StegosauriaHesperosaurus mjosi Carpenter et al., 2001
A Late Jurassic stegosaurid from Wyoming featuring wide, oval dorsal plates and a short, deep skull.