Breadcrumb Home Search Showing results for Language Content type Photo (46) Article (23) Video (8) Slideshow (6) Lesson Plan (3) Audio (1) Overview (1) Article Type Personal Perspectives (10) Article (9) Topics (-) Ancient Seas (88) Extinctions (33) At The Museum (17) Marine Mammals (17) Evolution (15) Climate Change (10) Extinctions (8) Sharks & Rays (8) Invertebrates (7) Exploration (4) Temperature & Chemistry (4) The Anthropocene (4) History & Cultures (3) Shifting Baselines (3) The Seafloor (3) Through Time (3) Careers (2) Deep Sea (2) Fishing (2) Ice (2) Plants & Algae (2) Reptiles (2) Seabirds (2) Coral Reefs (1) Fish (1) Food Web (1) Human Connections (1) Microbes (1) Plankton (1) Poles (1) Recreation (1) Seafood (1) Technology (1) Tags Paleobiology (33) Fossils (27) Smithsonian scientists (20) Ancient sea life (18) Whales (17) National Museum of Natural History (14) Scientific illustrations (14) Geologic periods (9) Scientists at work (8) Adaptations (7) Mussels, Oysters & Relatives (7) Climate Change (5) Geology (5) New discoveries (5) Under the microscope (5) Corals (4) Feeding (4) Sharks (4) Smithsonian collections (4) Smithsonian Tropical Research Institute (4) Chemistry (3) Manatees & Dugongs (3) News (3) Shifting Baselines (3) Technology (3) Algae (2) Arctic (2) Dolphins & Porpoises (2) Endangered species (2) Fisheries (2) Ice (2) Maritime history (2) Native people (2) NOAA (2) Research vessels (2) Seagrass (2) Women in Science (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Video Submersible Collects Deep-Sea Corals August 2011 Watch the Video Photo Sediment Core Close-Up January 2014 View Image Photo Haplophrentis carinatus August 2013 View Image Photo Scientists and Fossils August 2013 View Image Photo Archaeocyatha August 2013 View Image Photo Opabinia August 2013 View Image Photo Ottoia prolifica August 2013 View Image Photo Anomalocaris canadensis August 2013 View Image Photo Hurdia Victoria August 2013 View Image Photo Wiwaxia August 2013 View Image Photo Hallucigenia August 2013 View Image Photo Ice Age Map of the World April 2016 View Image Pagination Previous page Page 1 Page 2 Current page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Next page