Breadcrumb Home Search Showing results for Language Content type Photo (24) Article (10) Slideshow (5) Overview (1) Video (1) Article Type Article (7) Personal Perspectives (2) Topics (-) Ancient Seas (41) Extinctions (11) Evolution (8) At The Museum (5) Extinctions (5) Invertebrates (4) Marine Mammals (4) Sharks & Rays (4) Climate Change (3) Through Time (3) Careers (2) Reptiles (2) The Anthropocene (2) Coral Reefs (1) Exploration (1) History & Cultures (1) Human Connections (1) Ice (1) Plankton (1) Plants & Algae (1) Seabirds (1) Shifting Baselines (1) Temperature & Chemistry (1) The Seafloor (1) Tags Paleobiology (15) Scientific illustrations (14) Ancient sea life (10) Fossils (10) Geologic periods (7) Mussels, Oysters & Relatives (7) Smithsonian scientists (6) Adaptations (4) Whales (4) Corals (3) Feeding (3) National Museum of Natural History (3) Sharks (3) Algae (2) Climate Change (2) Scientists at work (2) Under the microscope (2) Women in Science (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Article What the Megalodon Left Behind July 2018 Read the Full Article Article The Discovery of Multispecies Communities of Seacows January 2012 Read the Full Article Article Mystery of An Ichthyosaur Graveyard Revealed December 2022 Read the Full Article Slideshow Shark Ancestors December 2009 See the Full Slideshow Overview Sea Level Rise April 2016 Read the Full Overview Pagination Previous page Page 1 Page 2 Page 3 Current page 4