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How long have jellyfish lived in the ocean? This jellyfish fossil is from the...
Giant Megatooth Model
A life-sized model suspended over visitors at the San Diego Natural History Museum...
Where ocean currents were strong, ancient rudist “recliners” lay unattached on...
Like the modern nautilus, this relative of modern squid hunted from inside the safe...
Rudist clams are mollusks that went extinct about 65 million years ago. They were...