Find animal profiles, comparisons, pet care guides, dinosaurs, FAQs, and tools.
Nigersaurus (Nigersaurus taqueti) was a highly specialized long-necked dinosaur from the Cretaceous of Africa. While many sauropods are known for towering necks and tree-level browsing, Nigersaurus became famous for doing the opposite: it was built to feed low to the ground with a remarkably wide, s
Bonatitan (scientific name: Bonatitan reigi) was a titanosaur sauropod from the Late Cretaceous of Patagonia, Argentina. Titanosaurs were among the last surviving long-necked sauropods and remained successful in South America until very late in the Cretaceous.Time PeriodBonatitan is placed in the Cr
Baurutitan was a titanosaur sauropod from the Late Cretaceous of Brazil. Titanosaurs were among the last surviving groups of long-necked sauropods, thriving across South America shortly before the end-Cretaceous extinction.Time PeriodBaurutitan lived in the Cretaceous Period (more specifically, Late
Ligabueino at a GlanceLigabueino is one of the smallest theropod dinosaurs known from South America. It comes from Early Cretaceous deposits in Argentina and is represented by a single incomplete skeleton of a juvenile individual. Because the fossil material is limited, many details—such as its adu
Barrosasaurus (Barrosasaurus casamiquelai) was a titanosaur sauropod from the Late Cretaceous of Patagonia, Argentina. Titanosaurs were long-necked, plant-eating dinosaurs that became especially diverse in the Southern Hemisphere near the end of the dinosaur era. Barrosasaurus is known from limited
Malarguesaurus (Malarguesaurus florenciae) was a titanosauriform sauropod from the Late Cretaceous of Argentina. Like other sauropods, it was a large, long-necked, plant-eating dinosaur that walked on four pillar-like legs. Malarguesaurus is best known from incomplete fossils, but it adds important
Muyelensaurus (Muyelensaurus pecheni) was a titanosaur sauropod from the Late Cretaceous of Patagonia, Argentina. Unlike many giant titanosaurs, Muyelensaurus is often described as more slender and small-to-medium sized, with a lighter overall build compared with the largest members of the group.Qui
Pellegrinisaurus (Pellegrinisaurus powelli) was a titanosaur sauropod from the Late Cretaceous of Patagonia, Argentina. Titanosaurs were long-necked, plant-eating dinosaurs that became especially diverse in the Southern Hemisphere near the end of the dinosaur era. Although Pellegrinisaurus is known
Pitekunsaurus macayai is a titanosaur sauropod from Patagonia, Argentina. Titanosaurs were long-necked, plant-eating dinosaurs that became especially diverse in the Late Cretaceous. Pitekunsaurus is known from a combination of skull material, many vertebrae, and several limb bones, which allowed res
Santanaraptor (Santanaraptor placidus) is a small theropod dinosaur from the Early Cretaceous of northeastern Brazil. It is best known because its fossils were found in deposits that can preserve delicate details, including rare traces of soft tissues. Only partial remains are known, and the most co
Ankylosaurus was a tank-like armored dinosaur from the Late Cretaceous of North America. Its body was covered in tough armor, and its tail ended in a heavy club.Armor and DefenseArmor plates and spikes protected its back and sides. The tail club could deliver strong defensive blows.DietAnkylosaurus
Spinosaurus is one of the most distinctive dinosaurs ever discovered, instantly recognizable by the tall “sail” on its back. This giant predator lived in Cretaceous North Africa and is widely discussed as a dinosaur with semi-aquatic adaptations—meaning it likely spent significant time around riv
Velociraptor is one of the most famous dinosaurs in popular culture, but the real animal was quite different from the movie version. In reality, Velociraptor was a small, feathered predator that lived during the Late Cretaceous in Asia, especially in what is now Mongolia. Despite its relatively smal
Triceratops is one of the most iconic dinosaurs of all time. This large, three-horned herbivore lived in western North America during the Late Cretaceous and is famous for its massive skull, broad frill, and powerful horns.AppearanceTriceratops had a strong body, a parrot-like beak, and a large bony
OverviewTyrannosaurus rex (often called T. rex) is one of the most iconic dinosaurs ever discovered. It was a massive meat-eating theropod that lived in western North America during the Late Cretaceous, near the very end of the dinosaur era.AppearanceT. rex had a huge skull, thick neck muscles, and
Meet Nigersaurus, a 30-ft sauropod with 500+ teeth in dental batteries, a vacuum-like muzzle, and rapid tooth replacement for low browsing on Cretaceous floodplains.
The goblin shark is one of the ocean’s strangest predators. With a blade-like, elongated snout, semi-translucent pink skin, and a protrusible, slingshot-style jaw, it looks like it swam out of a sci-fi movie. Yet each of these odd traits is a razor-sharp adaptation to life in the deep sea.You have
Quick TakeawaysSmall body, big weapons: Velociraptor was about turkey-sized, with a famous sickle-shaped claw on the second toe of each foot used to pierce and pin prey.Feathered, not scaly: Evidence of forearm quill knobs shows it had feathers, making it closer in appearance to birds than to a gian