Breadcrumb Home Search Showing results for Language Content type Photo (40) Article (13) Slideshow (3) Video (2) Article Type Personal Perspectives (7) Article (3) Topics (-) Extinctions (58) Ancient Seas (33) Marine Mammals (17) At The Museum (15) Sharks & Rays (6) Evolution (4) Invertebrates (3) Climate Change (2) Exploration (2) Extinctions (2) History & Cultures (2) Plants & Algae (2) Temperature & Chemistry (2) The Seafloor (2) Careers (1) Fishing (1) Technology (1) Tags Paleobiology (34) Smithsonian scientists (27) Whales (23) Fossils (17) Smithsonian collections (12) Ancient sea life (11) National Museum of Natural History (9) Scientists at work (9) Behind-the-scenes (5) Geology (5) Adaptations (4) New discoveries (4) Geologic periods (3) News (3) Scientific illustrations (3) Smithsonian Tropical Research Institute (3) Algae (2) Maritime history (2) Technology (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Video Foraminifera on the Seafloor March 2010 Watch the Video Video The Smithsonian Marine Collections December 2016 Watch the Video Slideshow A Squalodontid Success June 2011 See the Full Slideshow Slideshow Shark Ancestors December 2009 See the Full Slideshow Slideshow A Collection of Cambrian Fossils October 2013 See the Full Slideshow Photo Sediment Core Close-Up January 2014 View Image Photo Squalicorax Shark Fossil August 2014 View Image Photo The Ancient Shark Falcatus falcatus August 2014 View Image Article Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows August 2016 Read the Full Article Photo Desmostylia August 2016 View Image Article Unearthing History: Mary Anning's Hunt for Prehistoric Ocean Giants March 2016 Read the Full Article Article The Whale Graveyard Whodunit March 2014 Read the Full Article Pagination Current page 1 Page 2 Page 3 Page 4 Page 5 Next page