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![Desmostylia A hippopotamus-like creature swims underwater](/sites/default/files/styles/3_2_large/public/2023-11/Desmostylia.jpg.webp?itok=bIRBFWJr)
Article
Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows
In the seagrass beds and kelp forests of the Oligocene-Miocene transition, nearly......
August 2016
![An illustration of a recently discovered species of Monodontid, Bohaskaia monodontoides, and its beluga and narwhale relatives](/sites/default/files/styles/3_2_large/public/2023-11/Bohaskaia_illustration_Carl_Buell.jpg.webp?itok=PDjGwpV5)
Personal Perspectives
Smithsonian Scientists Describe a 'New' Fossil Whale
Monodontids, the group of whales that includes the belugas and narwhals swimming......
March 2012
![Smithsonian Scientists Dig a Trench Around a squalodontid Skull](/sites/default/files/styles/3_2_large/public/2023-11/Dig_begins_4974_small.jpg.webp?itok=WCTYBIN8)
Personal Perspectives
Expedition to Excavate a Fossil Whale
My graduate student Jorge and I are departing today for Panama, to excavate a......
June 2011
![Blue whale skull being installed at National Museum of Natural History.](/sites/default/files/styles/3_2_large/public/2023-11/blue_whale_skull_nmnh.jpg.webp?itok=miE5teaV)
When Did Today’s Whales Get So Big?
More recently than you might think, say scientists who scoured the fossil......
July 2016