Here is a rare specimen of one of the last trilobites
This Proetid trilobite species Ditomopyge decurata in completely enrolled and preserved in full shell preservation.
The order Proetida is the last surviving trilobite order at the end of the Palaeozoic epoch.
The trilobites where quite even rare before they completely extinct, at mass extinction event on the end of the Permian age.
This event was quite even imported like event at the end of the Cretaceous age that was responsible for extinction of dinosaurs.

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