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Researchers describe two new species of fossil ctenophores from the mid-Cambrian of Western USA, one of which has a preserved nervous system, which illuminates the early evolution of nervous and sensory features in ctenophores.
Researchers describe two new species of fossil ctenophores from the mid-Cambrian of Western USA, one of which has a preserved nervous system, which illuminates the early evolution of nervous and sensory features in ctenophores.