Breadcrumb Home Search Showing results for Language Content type Photo (36) Article (13) Slideshow (3) Video (2) Article Type Personal Perspectives (7) Article (3) Topics (-) Extinctions (54) Ancient Seas (30) Marine Mammals (16) At The Museum (15) Sharks & Rays (6) Evolution (4) Exploration (2) Extinctions (2) History & Cultures (2) Invertebrates (2) Plants & Algae (2) The Seafloor (2) Careers (1) Climate Change (1) Fishing (1) Technology (1) Temperature & Chemistry (1) Tags Paleobiology (33) Smithsonian scientists (27) Whales (23) Fossils (17) Smithsonian collections (12) Ancient sea life (11) National Museum of Natural History (9) Scientists at work (9) Behind-the-scenes (5) Geology (5) Adaptations (4) New discoveries (4) Geologic periods (3) News (3) Scientific illustrations (3) Smithsonian Tropical Research Institute (3) Algae (2) Maritime history (2) Technology (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Photo Archaeocyatha August 2013 View Image Photo Ottoia prolifica August 2013 View Image Photo Hurdia Victoria August 2013 View Image Photo Trilobites August 2013 View Image Photo Opabinia August 2013 View Image Photo Anomalocaris canadensis August 2013 View Image Pagination Previous page Page 1 Page 2 Page 3 Page 4 Current page 5