Stegosaurus

Stegosaurus

A type of prehistoric reptile having bony plates on its back, which aided thermoregulation.

Bioloģija

Atslēgvārdi

dinozaurs, Stegasaura, aizvēsturiska būtne, reptilis, izmiris, Fosilija, Tirefora, Jurass laiks, dzīvnieks, mugurkaulnieki, zālēds, Bioloģija

Saistītie vienumi

Apatosaurus

Long-necked herbivorous dinosaur with a robust body.

Ammonites

An extinct group of Cephalopoda, with solid external skeletons. They are excellent index fossils.

Carboniferous flora and fauna

This animation presents some animals and plants that lived between the Devonian and Permian periods (358–299 million years ago).

Deinonychus

Deinonychus antirrhopus, the 'terrible claw', was a carnivorous dromaeosaurid dinosaur.

Glaciation

The last Ice Age ended about 13 thousand years ago.

Homo erectus

The ‘upright man’ used tools and could set fire.

Ichthyosaur

Fish-like marine dinosaurs which resembled dolphins; a good example of convergent evolution.

Ichthyostega

A prehistoric amphibian and an early representative of the Tetrapods, which became extinct 360 million years ago.

Karaliskais tiranozaurs jeb “tirāniskā ķirzaka”

Milzīgs gaļēdājs un pazīstamākais dinozaurs pasaulē.

Monsters of the Palaeozoic: sea scorpions

Eurypterids are an extinct group of Palaeozoic aquatic arthropods.

Pteranodon longiceps

A prehistoric flying reptile, similar to birds. However, there is no direct evolutionary link between the two.

Tiktaalik

A transitional form between fish and tetrapods, or four-limbed vertebrates.

Triceratops

A type of herbivorous dinosaur easily recognisable by its large frill and three horns which lived in the Cretaceous period.

Trilobites

The ancestors of Arachnida and Crustacea belonged to the class Trilobita.

Veiled chameleon

Chameleons are reptiles with an ability to change their colours.

Woolly mammoth

Extinct proboscidea closely related to today's elephants, often hunted by prehistoric man.

Archaeopteryx

The archaeopteryx shows characteristics of both birds and reptiles. It is probably the ancestor of birds.

Common European viper

A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.

Continental drift on a geological timescale

The Earth's continents have been in constant motion during the history of the planet.

Grass snake

A type of snake with a characteristic spot on its neck.

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