The amphioxus - a 520 Million year old relic from a time before fish or backbones with its own primeval answers to eyes @thetimespic.twitter.com/8oA3i3wFOQ
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The amphioxus - a 520 Million year old relic from a time before fish or backbones with its own primeval answers to eyes @thetimespic.twitter.com/8oA3i3wFOQ
