sharks, fossil

"Great white, bull, and tiger sharks are some of today's most talked-about sharks. But have you met the sharks of yesterday? Each prehistoric shark had its own amazing-and sometimes strange-features. The scissor-tooth shark had teeth in a spiral shape. The giant megalodon was about three times the size of a great white. One small prehistoric shark had a big dorsal fin in the shape of an ironing board! Readers will gobble up all the facts about these early ocean hunters and learn how they compare to modern sharks"--Provided by publisher.

Professor Igor tells the story of Taylor who, while on a school field trip looking for fossils, stole a student's wallet and buried it next to a fossilized shark fin, but when he came back the next day to retrieve the wallet he found that there are also fossil teeth, and not all the sharks were entirely dead.

Discusses the prehistoric ancestors, evolution, and some modern species of sharks.

Detailed illustrations and text describe various species of sharks known to have lived during prehistoric times.

Profiles Hybodus, a fearless and deadly prehistoric shark, looking at her feeding habits, preparations for giving birth, and dangers to herself and her baby.