This five-eyed wonder is no longer in a class of its own.
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During the Cambrian period, Earth’s oceans exploded with new species of swimming, segmented invertebrates — many that look more alien than Earthly.
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Take Opabinia regalis, for example.
The shrimp-like creature sported five beady eyes and a trunk-like appendage, used to shovel food into its mouth — kind of like an elephant.