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The evolution of whales represents one of the great stories in macroevolution. It's a narrative that has mostly benefitted from an extraordinary series of fossils recovered from rocks around the world, including challenging field...
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Microscopic, single-celled organisms called foraminifera have a fossil record...
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Jorge and I packed up the night we arrived in Panama with Aaron O'Dea and his...
How long have jellyfish lived in the ocean? This jellyfish fossil is from the...
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Monodontids, the group of whales that includes the belugas and narwhals...

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How long have jellyfish lived in the ocean? This jellyfish fossil is from the Cambrian period, more than 500 million years ago. It was found buried in Utah —an area that used to be underwater, covered by the ocean. Fossil...
This well-preserved fossil is the only intact partial skull ever found of a...
Two fossilized teeth from a megalodon ( Carcharodon megalodon ) dating back...
The fossil tooth whorl of the ancient shark Helicoprion , dating back 290...

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When you're standing in a museum surrounded by fossils, you can almost imagine drifting through time to when long-extinct...

The Ocean Blog

The peaceful Archaeocyatha lived during the most recent part of the Cambrian period. They separated into many families and were the Earth’s first reef-building animals.
The Wiwaxia corrugata may have molted its scales in order to grow past these hard boundaries.
Nick Pyenson, the curator of fossil marine mammals at the Smithsonian's National Museum of Natural History, points to the skull and skeleton of a fossil "toothed" mysticete ( baleen whale ) on the...
The Ottoia prolifica has proven that cannibalism did exist in the Cambrian period since there have been portions of one Ottoia prolifica found in another specimen’s gut.
The Haplophrentis carinatus had two oar-like appendages (called “helens”) used to stabilize the creature and help it move along the ocean bottom.
When the cod fishery collapsed in Newfoundland in the early 1990s, the hopes of the local fish harvesters collapsed with it. Hundreds of Newfoundlanders moved away and businesses that depended on the...
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