Deinonychus antirrhopus, the "terrible claw", was a carnivorous dromaeosaurid dinosaur.
prehistoric creature, Deinonychus, dinosaur, dino, theropod, fossil, extinct, Cretaceous period, raptor, reptile, reconstruction, skeleton, egg, predator, carnivorous, vertebrates, animal, biology
An extinct group of Cephalopoda, with solid external skeletons. They are excellent index fossils.
Long-necked herbivorous dinosaur with a robust body.
The archaeopteryx shows characteristics of both birds and reptiles. It is probably the ancestor of birds.
This animation presents some animals and plants that lived between the Devonian and Permian periods (358–299 million years ago).
The last Ice Age ended about 13 thousand years ago.
The ‘upright man’ used tools and could set fire.
Eupteryds are an extinct group of Paleozoic aquatic arthropods.
A prehistoric flying reptile, similar to birds. However, there is no direct evolutionary link between the two.
Quetzalcoatlus was one of the largest known flying animals of all time.
A type of prehistoric reptile having bony plates on its back, which aided thermoregulation.
A transitional form between fish and tetrapods, or four-limbed vertebrates.
Large carnivores, perhaps the best known of dinosaurs.
A type of herbivorous dinosaur easily recognizable by its large frill and three horns which lived in the Cretaceous period.
The ancestors of Arachnida and Crustacea belonged to the class Trilobita.
Extinct proboscidea closely related to today's elephants, often hunted by prehistoric man.
Fish-like marine dinosaurs which resembled dolphins; a good example of convergent evolution.
A prehistoric amphibian and an early representative of the Tetrapods, which became extinct 360 million years ago.
The Earth's continents have been in constant motion during the history of the planet.
Place historical events on the time spiral.