25 jan 244979409 ano antes da era comum - Trilobite (trilobita - scientific name)

Descrição:

-an extinct organism
-fossil is easily recognizable
-fossil found in Arcy-sur-Cure in France
-one time found as an artifact that was worn as a trilobite amulet

-part of mass extinction and species

Sources:
http://www.ucmp.berkeley.edu/arthropoda/trilobita/trilobita.html

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