Breadcrumb Home Search Showing results for Language Content type Article (22) Photo (22) Slideshow (6) Lesson Plan (3) Audio (1) Overview (1) Article Type Article (9) Personal Perspectives (9) Topics (-) Ancient Seas (55) Extinctions (21) At The Museum (16) Marine Mammals (16) Evolution (11) Climate Change (6) Extinctions (6) History & Cultures (3) Invertebrates (3) Sharks & Rays (3) Temperature & Chemistry (3) Through Time (3) Careers (2) Exploration (2) Fishing (2) Plants & Algae (2) Reptiles (2) The Anthropocene (2) The Seafloor (2) Deep Sea (1) Fish (1) Food Web (1) Human Connections (1) Ice (1) Microbes (1) Plankton (1) Recreation (1) Seabirds (1) Seafood (1) Shifting Baselines (1) Tags Fossils (23) Paleobiology (22) Ancient sea life (16) Smithsonian scientists (16) Whales (13) National Museum of Natural History (11) Scientific illustrations (10) Geologic periods (9) Scientists at work (7) Adaptations (6) Mussels, Oysters & Relatives (5) New discoveries (4) Manatees & Dugongs (3) News (3) Smithsonian collections (3) Smithsonian Tropical Research Institute (3) Algae (2) Chemistry (2) Climate Change (2) Dolphins & Porpoises (2) Feeding (2) Fisheries (2) Maritime history (2) Native people (2) NOAA (2) Seagrass (2) Sharks (2) Technology (2) Under the microscope (2) Women in Science (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Photo Dugong Feeding February 2012 View Image Slideshow Rudist Reefs December 2009 See the Full Slideshow Lesson Plan Fossil Forams and the Scientific Process March 2010 Read the Full Overview Article Whale fossils on the mainland, and into a CT scanner May 2012 Read the Full Article Slideshow Shark Ancestors December 2009 See the Full Slideshow Photo Lenticulina secans March 2010 View Image Slideshow A Squalodontid Success June 2011 See the Full Slideshow Article Shark Teeth Tell Great White Shark Evolution Story November 2012 Read the Full Article Article The Whale Graveyard Whodunit March 2014 Read the Full Article Photo Ancient Entoproct Community August 2015 View Image Photo Globotruncana falsostuarti March 2010 View Image Photo A Mississippian Marine Habitat (359 - 318 Million Years Ago) September 2011 View Image Pagination Previous page Page 1 Page 2 Current page 3 Page 4 Page 5 Next page