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Trilobites
Temporal range: early Cambrian
– late Permian
Asaphus kowalewskii
Scientific classification
Kingdom:
Phylum:
Subphylum:
Class:
Trilobita

Trilobite ("three lobed") are extinct arthropods which were the first animals known to have eyes. They were very numerous during the early Palaeozoic era. Their distribution was worldwide, but only in salt water environments. They disappeared in the Permian–Triassic extinction event.

Trilobites had many lifestyles. Some moved over the sea floor as predators, scavengers, or filter feeders, Some swam, feeding on plankton. Most ecological niches of modern marine arthropods are seen in trilobites. view more...


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Trilobite
Trilobite
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