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Trilobites are considered extinct because they disappeared from the fossil record approximately 252 million years ago at the end of the Permian period, during the largest mass extinction event in Earth's history. Despite their once widespread presence in marine environments, they could not adapt to the dramatic changes in climate and ocean chemistry that followed. No living descendants have been found, and their unique characteristics, such as their segmented bodies and compound eyes, are only preserved in fossil form. Thus, their complete absence from contemporary ecosystems solidifies their status as extinct.

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2w ago

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Related Questions

When did trilobites become extinct?

Trilobites became extinct about 250 million years ago, in the Mesozoic Era.


Are Trilobites land animals or water animals?

Trilobites are extinct but they were marine animals.


Why did trilobites become extinct?

The trilobites went extinct during the mass extinction at the end of the Permian period.


How do you take care of trilobites?

Trilobites have been extinct for a long time; there are none left for us to take care of.


What subphylum of Arthropoda is completely extinct in present era?

The Trilobites.


What is the extinct marine organism that can be used to date rocks?

Trilobites are extinct marine organisms that are often used to date rocks. They were widespread and diverse in the past, making them a useful tool for understanding the age of rock formations through biostratigraphy. Trilobites existed for over 270 million years before becoming extinct.


How many years did trilobites roam the earth?

Trilobites lived for 280 million years before they became extinct, from the Cambrian to the Permian.


How do trilobites reproduce?

Scientists believe that trilobites reproduced sexually. These prehistoric and extinct creatures were a type of arthropod that probably laid eggs. Trilobites lived about 250 million years ago.


Where do tritobite live?

If you mean trilobites, they have been extinct for millions of years.


How do you make trilobite?

You don't. Trilobites are extinct and are only found as fossils.


When did The Trilobites end?

0.2 - 32 inches


Are there any trilabites or relatives alive today?

First it is trilobites and trilobites are all extinct but their modern relative are the horseshoe crab, lobster and some other crabs