Breadcrumb Home Search Showing results for Language Content type Photo (29) Article (4) Video (2) Overview (1) Article Type Article (4) Topics (-) Through Time (36) Ancient Seas (3) At The Museum (3) Careers (2) Climate Change (2) Evolution (2) Human Connections (2) Invertebrates (2) Exploration (1) Ice (1) Poles (1) Reptiles (1) Sharks & Rays (1) Temperature & Chemistry (1) Tags Ancient sea life (4) Fossils (4) Paleobiology (3) Smithsonian scientists (3) Apex predator (2) Arctic (2) Geologic periods (2) National Museum of Natural History (2) Sea stars & Urchins (2) Sharks (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Photo The Burgess Shale April 2019 View Image Photo Triassic Shallows April 2019 View Image Photo A Silurian Reef April 2019 View Image Photo Kelp Forest of the Neogene April 2019 View Image Article Bony Beginnings: The Rise of Vertebrate Innovation in the Devonian March 2025 Read the Full Article Article What the Megalodon Left Behind July 2018 Read the Full Article Article If You Build An Ocean, Sea Monsters Will Come October 2018 Read the Full Article Video Receding Ice Cover January 2011 Watch the Video Photo Global Conveyer Belt August 2013 View Image Photo Equipment for a Fossil Excavation June 2011 View Image Photo Kathy Crane with colleagues on ice March 2010 View Image Photo Hedbergella sliteri March 2010 View Image Pagination Previous page Page 1 Page 2 Current page 3