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 Triassic Shallows April 2019 View Image Photo A Silurian Reef April 2019 View Image Photo Kelp Forest of the Neogene April 2019 View Image Photo Carboniferous Sharks April 2019 View Image Photo The Cephalopods' Hideout April 2019 View Image Photo Ammonoids April 2019 View Image Photo Blastoid Fossil April 2022 View Image Photo Ancient Crinoid April 2022 View Image Photo The Model Megalodon May 2019 View Image Photo The Burgess Shale April 2019 View Image Photo Reptiles and Birds of the Mesozoic April 2019 View Image Article Bony Beginnings: The Rise of Vertebrate Innovation in the Devonian March 2025 Read the Full Article Pagination Previous page Page 1 Page 2 Current page 3