Breadcrumb Home Search Showing results for Language Content type Photo (33) Article (23) Video (7) Slideshow (6) Lesson Plan (3) Audio (1) Overview (1) Article Type Personal Perspectives (10) Article (9) Topics (-) Ancient Seas (74) Extinctions (27) At The Museum (17) Marine Mammals (17) Evolution (15) Climate Change (9) 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 Slideshow Rudist Reefs December 2009 See the Full Slideshow Article Archaeologists Study Early Whaling Community in Quebec, Canada September 2011 Read the Full Article Article Keeping An Ear Out For Whale Evolution March 2015 Read the Full Article Article New Archaeocetes from Peru Are the Oldest Fossil Whales from South America September 2011 Read the Full Article Photo Hallucigenia's Spikes April 2019 View Image Article 4,000 Years of Marine History through the Eyes of a Seabird May 2013 Read the Full Article Photo Ancient Giant Megatooth Shark January 2010 View Image Photo Elevator Rudists January 2018 View Image Photo Ammonite January 2010 View Image Photo Squalicorax Shark Fossil August 2014 View Image Photo Ediacaran Community, Proterozoic Eon (2,500 - 542 Million Years Ago) September 2011 View Image Photo Fossil Jellyfish November 2015 View Image Pagination Previous page Page 1 Page 2 Page 3 Current page 4 Page 5 Page 6 Page 7 Next page