A living arthropod (centipede Cormocephalus) crawls over its 515-million-year-old relative which lived during the Cambrian explosion (trilobite Estaingia).

A living arthropod (centipede <i>Cormocephalus</i>) crawls over its 515-million-year-old relative which lived during the Cambrian explosion (trilobite <i>Estaingia</i>).


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