Explore cataloged non-avian dinosaurs of the Mesozoic Era. Each entry features verified anatomical dimensions, geological horizons, dietary classifications, and museum holotype provenance.
StegosauriaHuayangosaurus taibaii Dong et al., 1982
One of the most primitive known stegosaurs, retaining premaxillary teeth and spike-like shoulder armor.
OrnithopodaIguanodon bernissartensis Boulenger, 1881
A foundational Early Cretaceous ornithopod possessing a specialized conical thumb spike and facultative quadrupedal gait.
StegosauriaKentrosaurus aethiopicus Hennig, 1915
A spiky East African stegosaur equipped with dermal plates along its neck and long sharp spikes along its back and hips.
TheropodaLiliensternus liliensterni Huene, 1934
A large, active predatory coelophysoid that roamed Late Triassic Germany.
OrnithopodaMaiasaura peeblesorum Horner & Makela, 1979
The 'good mother lizard', the first dinosaur proven to provide intensive parental care to its hatched young.
TheropodaMajungasaurus crenatissimus Lavocat, 1955
A stocky, cannibalistic abelisaurid from Late Cretaceous Madagascar sporting a single midline horn on its skull.
SauropodomorphaMamenchisaurus constructus Young, 1954
A magnificent Asian sauropod famous for having one of the longest necks of any animal in natural history.
TheropodaMapusaurus roseae Coria & Currie, 2006
A colossal South American carcharodontosaurid discovered in a massive multi-individual bonebed.
TheropodaMegalosaurus bucklandii Mantell, 1827
The first scientifically named non-avian dinosaur in history, described from Middle Jurassic rocks of England.
SauropodomorphaMelanorosaurus readi Haughton, 1924
A massive, quadrupedal basal sauropodomorph from the Late Triassic of South Africa.
TheropodaMetriacanthosaurus parkeri von Huene, 1932
A medium-to-large European allosauroid theropod characterized by moderately tall vertebral spines.
TheropodaMicroraptor zhaoianus Xu et al., 2000
A four-winged, iridescent feathered dromaeosaurid that glided through Early Cretaceous Chinese forests.
AnkylosauriaMinmi paravertebra Molnar, 1980
A small, agile Australian ankylosaur featuring unique horizontal 'paravertebra' bone plates along its spine.
StegosauriaMiragaia longicollum Mateus et al., 2009
A long-necked European stegosaur from Portugal possessing at least 17 neck vertebrae.
TheropodaMonolophosaurus jiangi Zhao & Currie, 1993
A Middle Jurassic Asian theropod recognized by a prominent single midline ridge along its snout.
OrnithopodaMuttaburrasaurus langdoni Bartholomai & Molnar, 1981
A large Australian ornithopod equipped with a prominent bulbous, hollow nasal muzzle for vocal displays.
SauropodomorphaNigersaurus taqueti Sereno et al., 1999
The 'Mesozoic lawnmower', a specialized sauropod with a wide, straight-edged mouth and 500 replaceable teeth.
OrnithopodaOuranosaurus nigeriensis Taquet, 1976
The 'brave lizard', an unusual African iguanodontian bearing a high dorsal sail and camel-like fat hump.
TheropodaOviraptor philoceratops Osborn, 1924
The famously misnamed 'egg thief' from the Gobi Desert that was actually a devoted parent brooding its own nest.
PachycephalosauriaPachycephalosaurus wyomingensis Gilmore, 1931
A bipedal ornithischian known for its 25-centimeter thick solid bone skull dome surrounded by bony knobs and spikes.
CeratopsiaPachyrhinosaurus canadensis Sternberg, 1950
The 'thick-nosed lizard', an Arctic-adapted ceratopsid that replaced horns with massive bony bosses.
OrnithopodaParasaurolophus walkeri Parks, 1922
A crested hadrosaurid dinosaur renowned for its elongated, hollow cranial crest used for acoustic resonance and visual signaling.
SauropodomorphaPatagotitan mayorum Carballido et al., 2017
One of the most colossal land animals ever discovered, reaching 37 meters in length and weighing over 55 metric tons.
SauropodomorphaPlateosaurus trossingensis Fraas, 1913
The classic European 'prosauropod', a dominant Late Triassic long-necked herbivore that lived in massive herds.