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Heteropod collected by marine biologists aboard the R/V Horizon (ship) for Scripps Institution of Oceanography. Heteropods, are a bizarre group of pelagic molluscs, they are amongst the most widespread and successful groups of peculiar planktonic predators. Circa 1950.

Heteropod collected by marine biologists aboard the R/V Horizon (ship) for Scripps Institution of Oceanography. Heteropods...