Breadcrumb Home Search Showing results for Language Content type Article (9) Slideshow (3) Photo (2) Lesson Plan (1) Overview (1) Video (1) Article Type Article (4) Personal Perspectives (4) Topics (-) Ancient Seas (17) Evolution (7) At The Museum (6) Extinctions (6) Marine Mammals (5) Sharks & Rays (2) Through Time (2) Careers (1) Climate Change (1) Extinctions (1) History & Cultures (1) Ice (1) Invertebrates (1) Reptiles (1) Temperature & Chemistry (1) The Anthropocene (1) Tags Ancient sea life (9) Fossils (9) Paleobiology (8) National Museum of Natural History (6) Smithsonian scientists (6) Geologic periods (5) Whales (5) Adaptations (3) Scientific illustrations (3) Feeding (2) Scientists at work (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Video Evolution of Whales Animation September 2009 Watch the Video Article Keeping An Ear Out For Whale Evolution March 2015 Read the Full Article Article Shark Teeth Tell Great White Shark Evolution Story November 2012 Read the Full Article Lesson Plan The Puzzle of Ice Age Americans December 2009 Read the Full Overview Article New Archaeocetes from Peru Are the Oldest Fossil Whales from South America September 2011 Read the Full Article Article Form Equals Function for Ancient Sea Lizards and Modern Whales April 2019 Read the Full Article Photo The Archean Eon (4,600 – 2,500 Million Years Ago) September 2011 View Image Photo Fossil Jellyfish November 2015 View Image Slideshow The Ocean Throughout Geologic Time, An Image Gallery September 2011 See the Full Slideshow Article The Discovery of Multispecies Communities of Seacows January 2012 Read the Full Article Article Meals of the Mighty Mosasaur November 2018 Read the Full Article Article Excavating a "toothed" baleen whale from Vancouver Island May 2012 Read the Full Article Pagination Current page 1 Page 2 Next page