The Shells of Squids Tells The History of Life In The Ocean

[Reef Builders]

For much of the history of life on earth, the oceans were dominated by giant mollusks we call Cephalopods. But the squid, octopus, & cuttlefish of today have less in common with the giant, shelled creatures of ancient past, and only the nautilus even gives us a living example of a cephalopod with an external, […]

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