Breadcrumb Home Search Showing results for Language Content type Article (15) Photo (14) Slideshow (5) Lesson Plan (2) Audio (1) Overview (1) Article Type Article (8) Personal Perspectives (5) Topics (-) Ancient Seas (38) Extinctions (14) At The Museum (11) Marine Mammals (10) Evolution (6) Extinctions (6) Climate Change (4) Invertebrates (3) Exploration (2) Plants & Algae (2) Reptiles (2) Temperature & Chemistry (2) Through Time (2) Careers (1) Deep Sea (1) Fish (1) History & Cultures (1) Human Connections (1) Ice (1) Microbes (1) Plankton (1) Recreation (1) Sharks & Rays (1) The Anthropocene (1) The Seafloor (1) Tags Paleobiology (17) Fossils (16) Ancient sea life (11) Smithsonian scientists (10) Geologic periods (9) Whales (9) Scientific illustrations (8) National Museum of Natural History (7) Mussels, Oysters & Relatives (5) Scientists at work (4) Manatees & Dugongs (3) New discoveries (3) News (3) Adaptations (2) Climate Change (2) Corals (2) Feeding (2) Seagrass (2) Smithsonian collections (2) Technology (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Article Mystery of An Ichthyosaur Graveyard Revealed December 2022 Read the Full Article Slideshow A Squalodontid Success June 2011 See the Full Slideshow Pagination Previous page Page 1 Page 2 Page 3 Current page 4
