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 Model Megalodon May 2019 View Image Overview Ocean Through Time April 2019 Read the Full Overview Photo Trilobite Shapes May 2019 View Image Photo Precambrian Timeline May 2019 View Image Photo Paleozoic Timeline May 2019 View Image Photo Mesozoic Timeline May 2019 View Image Photo Xiphactinus April 2019 View Image Photo Carboniferous Snails April 2019 View Image Photo Mesozoic Predators April 2019 View Image Photo A Silurian Reef April 2019 View Image Photo Kelp Forest of the Neogene April 2019 View Image Article If You Build An Ocean, Sea Monsters Will Come October 2018 Read the Full Article Pagination Previous page Page 1 Current page 2 Page 3 Next page