Breadcrumb Home Search Showing results for Language Content type Article (18) Photo (17) Slideshow (4) Lesson Plan (2) Audio (1) Overview (1) Video (1) Article Type Article (9) Personal Perspectives (6) Topics (-) Ancient Seas (44) Extinctions (18) At The Museum (12) Evolution (12) Marine Mammals (12) Climate Change (5) Sharks & Rays (4) History & Cultures (3) Invertebrates (3) Temperature & Chemistry (3) Through Time (3) Careers (2) Extinctions (2) Fishing (2) Plants & Algae (2) Reptiles (2) Seabirds (2) The Anthropocene (2) Deep Sea (1) Exploration (1) Fish (1) Food Web (1) Human Connections (1) Ice (1) Microbes (1) Plankton (1) Recreation (1) Seafood (1) Shifting Baselines (1) The Seafloor (1) Tags Fossils (18) Paleobiology (17) Ancient sea life (13) Smithsonian scientists (13) Whales (11) National Museum of Natural History (9) Geologic periods (8) Scientists at work (5) Adaptations (4) New discoveries (4) Scientific illustrations (4) Feeding (3) Geology (3) News (3) Smithsonian collections (3) Under the microscope (3) Algae (2) Chemistry (2) Climate Change (2) Fisheries (2) Manatees & Dugongs (2) Maritime history (2) Mussels, Oysters & Relatives (2) Native people (2) Seagrass (2) Women in Science (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 Form Equals Function for Ancient Sea Lizards and Modern Whales April 2019 Read the Full Article Photo Fossil Jellyfish November 2015 View Image 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 Article New Archaeocetes from Peru Are the Oldest Fossil Whales from South America September 2011 Read the Full Article Article The Discovery of Multispecies Communities of Seacows January 2012 Read the Full Article Slideshow The Ocean Throughout Geologic Time, An Image Gallery September 2011 See the Full Slideshow Slideshow A Collection of Cambrian Fossils October 2013 See the Full Slideshow Pagination Current page 1 Page 2 Page 3 Page 4 Next page