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arthropods
Arthropods
Trilobites are arthropods (like spiders)
Trilobites, and eurypterids (giant marine scorpions). Ammonites are not arthropods but molluscs.
0.2 - 32 inches
Trilobites are fossil arthropods. They are classified in the Phylum Arthropoda (along with insects, arachnids, crustaceans and myriapods) and the Class Trilobita.
E. N. K. Clarkson has written: 'The evolution of the eye in trilobites' 'Environmental significance of eye-reduction in trilobites and recent arthropods'
No. Dinosaurs and trilobites are completely different. Trilobites were arthropods in the same phylum as insects and crustaceans. They went extinct before the first dinosaurs appeared. Dinosaurs are vertebrates and are technically classified as reptiles, though they had more in common with birds.
No, trilobites are extinct marine arthropods that lived from the early Cambrian period to the end of the Permian period, around 520 to 250 million years ago. There are no living trilobites today.
Trilobites are an extinct group of arthropods. They had exoskeletons, legs, and antennae. Trilobites existed from about 525 billion years ago during the Cambrian until they died out 250 million years ago, during the Permian Extinction, which wiped out about 99% of species. See the related links to learn more about trilobites.
There are 4 main groups of arthropods. They are the Chelicerata, Crustacea, Tracheata, and the now extinct Trilobites. Crabs are considered to be arthropods and are a part of the Crustacea group which also include shrimp and lobster.
A live anthropod would be any non-dead human. Anthropods (bipedal humans or humanoids) should not be confused with arthropods; Arthropods are characterized by segmented bodies, an exoskeleton made from chitin, and joint appendages. Some arthropods are no longer living (extinct), like trilobites and the class Marrellomorpha.