Trilobites

Trilobites

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

Biologija

Raktiniai žodžiai

Trilobita, Trilobitas, Iškasena, Išnykęs, Priešistorinis tvarinys, Indeksas iškastinis, Paleozojus, Kamberų periodas, Jūros būtybė, Chitino sluoksnis, chitinas, Šarvai, Voragyviai, Vėžys, gyvūnas, Nariuotakojų, nariuotakojai, biologija

Susiję elementai

Vaizdai

Susiję elementai

European garden spider

This animation demonstrates the anatomy of spiders through the example of a common European species.

Plačiažnyplis vėžys

Didelių gėlavandenių vėžių rūšis, kuri plačiai paplitusi Europoje.

"Homo erectus"

„Stačiasis žmogus“ jau gamino darbo įrankius ir naudojo ugnį.

Ammonites

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

Apatozauras

Ilgakaklis žolėdis dinozauras turintis tvirtą kūną.

Archaeopteryx

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

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.

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.

Mexican redknee tarantula

One of the best known species of spiders, often kept as pets. Its bite is not fatal for humans.

Monsters of the Palaeozoic: sea scorpions

Eurypterids are an extinct group of Palaeozoic aquatic arthropods.

Permian flora and fauna

This 3D scene presents the flora and fauna of the last period of the Palaeozoic Era.

Pteranodon longiceps

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

Stegosaurus

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

Tiktaalik

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

Tyrannosaurus rex ‘tyrant lizard’

Large carnivores, perhaps the best known of dinosaurs.

Triceratops

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

West Indian Ocean coelacanth

Living fossil, important stage in the evolution of tetrapods.

Woolly mammoth

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

Continental drift on a geological timescale

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

Jellyfish

Jellyfish are free-swimming marine animals, a species of Cnidaria, the most ancient group of Eumetazoans.

Planaria gonocephala

One of the most common types of flatworms.

Sponge

The most ancient group of animals, they live underwater, lack real tissues and body symmetry.

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