Breadcrumb Home Search Showing results for Language Content type Article (21) Photo (16) Slideshow (5) Audio (1) Lesson Plan (1) Overview (1) Video (1) Article Type Personal Perspectives (10) Article (9) Topics (-) Ancient Seas (46) Extinctions (22) At The Museum (16) Marine Mammals (16) Evolution (11) Sharks & Rays (6) Climate Change (5) Extinctions (5) Exploration (3) Invertebrates (3) Through Time (3) Careers (2) Plants & Algae (2) Reptiles (2) Temperature & Chemistry (2) The Anthropocene (2) Deep Sea (1) Fish (1) Fishing (1) Food Web (1) History & Cultures (1) Human Connections (1) Ice (1) Microbes (1) Plankton (1) Recreation (1) Seabirds (1) Seafood (1) Shifting Baselines (1) The Seafloor (1) Tags Fossils (24) Paleobiology (20) Smithsonian scientists (17) Ancient sea life (16) Whales (14) National Museum of Natural History (13) Scientists at work (8) Geologic periods (7) Adaptations (4) New discoveries (4) Scientific illustrations (4) Smithsonian collections (4) Smithsonian Tropical Research Institute (4) Geology (3) Manatees & Dugongs (3) News (3) Sharks (3) Algae (2) Chemistry (2) Climate Change (2) Dolphins & Porpoises (2) Feeding (2) Fisheries (2) Seagrass (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 Globotruncana falsostuarti March 2010 View Image Slideshow The Ocean Throughout Geologic Time, An Image Gallery September 2011 See the Full Slideshow Photo Cretaceous-Paleogene Boundary (65 Million Years Ago) September 2011 View Image Photo Dugong Feeding February 2012 View Image Photo Lenticulina secans March 2010 View Image Photo Multispecies Communities of Seacows January 2012 View Image Article The Whale Graveyard Whodunit March 2014 Read the Full Article Slideshow Shark Ancestors December 2009 See the Full Slideshow Article The Discovery of Multispecies Communities of Seacows January 2012 Read the Full Article Article New Archaeocetes from Peru Are the Oldest Fossil Whales from South America September 2011 Read the Full Article Pagination Previous page Page 1 Page 2 Page 3 Current page 4