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School Library Journal
Reviewed on September 1, 2007
Gr 3-6 More than 220 million years ago during the Triassic period, ichtyosaurs, plesiosaurs, and mosasaurs were the largest marine reptiles. Readers learn what is known about these massive creatures and how scientists are continually making new discoveries based on fossil remains throughout the world. Arnold points out that even the sci...Log In or Sign Up to Read More
Horn Book Magazine
Reviewed on January 1, 2008
Some impressive creatures inhabited the oceans while dinosaurs lived on land. Arnold interweaves data about three major groups—ichthyosaurs, plesiosaurs, and mosasaurs—with accounts of fossil finds and theoretical advances that helped pal...Log In or Sign Up to Read More
Horn Book Guide
Reviewed on January 1, 2007
Arnold interweaves data about three major reptile groups--ichthyosaurs, plesiosaurs, and mosasaurs--with accounts of fossil finds and theoreti...Log In or Sign Up to Read More