Spinosaurus

Spinosaurus

Velociraptor

Velociraptor

Ecosystem

River deltas and mangroves

Arid deserts

Diet

Carnivore

Carnivore

Time Period

Late Cretaceous

Late Cretaceous

Continent

North Africa

Asia (Mongolia)

Weight

~7-20 tons
~15-20 kg

Height

~4-7 m
~0.5 m

Bite Force

~4,200 psi
~1,000 psi

Speed

~15-20 km/h
~40 km/h

Timeline of Discovery

1912: Spinosaurus

Discovered by: Ernst Stromer
Location: Egypt
Key Fact: Spinosaurus was the largest known carnivorous dinosaur, with a distinctive sail on its back and adaptations for a semi-aquatic lifestyle.

1924: Velociraptor

Discovered by: Henry Fairfield Osborn
Location: Gobi Desert, Mongolia
Key Fact: Velociraptor was a small, agile predator known for its sickle-shaped claw on each foot, used for slashing prey.

Fun Facts

Spinosaurus Was Semi-Aquatic

Spinosaurus had adaptations like webbed feet and a crocodile-like snout, making it a skilled swimmer and fish hunter.

Velociraptor Had Feathers

Velociraptor was covered in feathers, which helped with insulation and possibly display.

More Details

The Spinosaurus and Velociraptor were two iconic dinosaurs from the Late Cretaceous period. Spinosaurus, the largest known carnivorous dinosaur, was a semi-aquatic predator with a distinctive sail on its back. Velociraptor, a small but agile predator, was known for its speed, intelligence, and deadly sickle-shaped claws. Spinosaurus was built for a life in and around water. Its long, narrow snout and conical teeth were perfect for catching fish, while its webbed feet and powerful tail made it an excellent swimmer. Its sail may have been used for display or thermoregulation. Despite its massive size, Spinosaurus was relatively slow on land, with estimated speeds of 15-20 km/h. Velociraptor, on the other hand, was built for speed and agility. Its lightweight build and sharp claws made it a formidable hunter, capable of delivering precise, slashing attacks. Velociraptor was also highly intelligent, with a brain-to-body size ratio similar to modern birds. Its speed, estimated at 40 km/h, made it a dangerous predator. In a hypothetical encounter, Spinosaurus's size and strength would give it a significant advantage. However, Velociraptor's speed, agility, and intelligence would make it a challenging opponent. A pack of Velociraptors could potentially overwhelm a Spinosaurus, but one-on-one, the Spinosaurus's sheer power would likely prevail. Final Verdict: Spinosaurus Wins 9/10 Times!