THE DINOSAUR DIRECTORY

Explore the Dinosaurs

Explore prehistoric species by geological period, diet, region, and classification. Discover verified specimen data, anatomical metrics, and peer-reviewed life restorations from the Triassic, Jurassic, and Cretaceous periods.

13 dinosaurs found

Jurassic Carnivore Specimen
Theropods North America

Allosaurus fragilis

Allosaurus fragilis • AL-oh-SORE-us FRAJ-ih-lis

Length 8.5m
Height 3m
Mass 2t
Stance Bipedal

The most common and lethal apex predator of the Late Jurassic Morrison Formation, hunting with gaping jaws, slashing…

Cretaceous Herbivore Specimen
Ankylosaurs North America

Ankylosaurus magniventris

Ankylosaurus magniventris • an-KY-low-SORE-us MAG-nih-VEN-tris

Length 8m
Height 1.7m
Mass 6t
Stance Quadrupedal

The living tank of the Late Cretaceous, armored in thick osteoderm plates with cranial horns and a massive…

Jurassic Carnivore Specimen
Theropods Europe

Archaeopteryx lithographica

Archaeopteryx lithographica • ar-kee-OP-ter-iks LITH-oh-GRAF-ih-kuh

Length 0.5m
Height 0.3m
Stance Bipedal / Volant

The historic transitional fossil bridging non-avian feathered theropods and modern birds, possessing feathered wings alongside toothed jaws and…

Cretaceous Herbivore Specimen
Sauropods South America

Argentinosaurus huinculensis

Argentinosaurus huinculensis • ar-JEN-tee-no-SORE-us hwin-koo-LEN-sis

Length 35m
Height 15m
Mass 70t
Stance Quadrupedal

One of the largest land animals in Earth history, this colossal titanosaur shook the Cretaceous plains of South…

Jurassic Herbivore Specimen
Sauropods North America

Brachiosaurus altithorax

Brachiosaurus altithorax • BRACK-ee-oh-SORE-us AL-tih-THOR-ax

Length 26m
Height 12m
Mass 35t
Stance Quadrupedal

A colossal macronarian sauropod with disproportionately long forelimbs and an elevated neck built for high-canopy conifer browsing during…

Triassic Carnivore Specimen
Theropods North America

Coelophysis bauri

Coelophysis bauri • SEE-low-FIE-sis BORE-eye

Length 3m
Height 1m
Stance Bipedal

A gracile, agile early theropod that flourished across Late Triassic floodplains, hunting small vertebrates and insects with slender…

Cretaceous Omnivore Specimen
Theropods Asia

Gallimimus bullatus

Gallimimus bullatus • GAL-ih-MY-mus bul-AY-tus

Length 6m
Height 2m
Mass 0.5t
Stance Bipedal

A fleet-footed ostrich-mimic theropod with a toothless keratinous beak suited for omnivorous grazing on vegetation, seeds, and small…

Triassic Herbivore Specimen
Sauropods Europe

Plateosaurus trossingensis

Plateosaurus trossingensis • PLAY-tee-oh-SORE-us TROSS-ing-EN-sis

Length 8m
Height 3m
Mass 4t
Stance Bipedal

One of the first large herbivorous dinosaurs, this bipedal prosauropod browsed tree ferns across Late Triassic Europe before…

Cretaceous Carnivore Specimen
Theropods Africa

Spinosaurus aegyptiacus

Spinosaurus aegyptiacus • SPINE-oh-SORE-us ee-JIP-tee-AY-kus

Length 15m
Height 4.5m
Mass 7.5t
Stance Bipedal / Semi-aquatic

A colossal semi-aquatic predatory theropod equipped with a massive dorsal neural sail, crocodyliform snout, and paddle-like tail adapted…