Breadcrumb Home Search Showing results for Language Content type Article (6) Photo (6) Slideshow (3) Article Type Personal Perspectives (2) Article (1) Topics (-) Extinctions (15) Ancient Seas (11) At The Museum (6) Marine Mammals (6) Evolution (3) Sharks & Rays (3) History & Cultures (2) Careers (1) Exploration (1) Fishing (1) Invertebrates (1) Temperature & Chemistry (1) Tags Fossils (9) Paleobiology (8) Smithsonian scientists (7) Ancient sea life (6) Whales (6) National Museum of Natural History (4) Adaptations (3) Scientists at work (3) Smithsonian collections (3) Geologic periods (2) Maritime history (2) New discoveries (2) News (2) Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Article When Did Today’s Whales Get So Big? July 2016 Read the Full Article Slideshow A Squalodontid Success June 2011 See the Full Slideshow Slideshow Shark Ancestors December 2009 See the Full Slideshow Pagination Previous page Page 1 Current page 2