"In 1993 Alaskan artist and paleo-fish enthusiast, Ray Troll, stumbled upon the weirdest fossil he had ever seen in a museum-- a platter-sized spiral of tightly wound shark teeth, from the Helicoprion, a mysterious monster from deep time. In 2010 the undergraduate student, Jesse…
"In 1993 Alaskan artist and paleo-fish enthusiast, Ray Troll, stumbled upon the weirdest fossil he had ever seen in a museum-- a platter-sized spiral of tightly wound shark teeth, from the Helicoprion, a mysterious monster from deep time. In 2010 the undergraduate student, Jesse…
This book focuses on the first vertebrates to conquer land and their long journey to become fully independent from the water. It traces the origin of tetrapod features and tries to explain how and why they transformed into organs that permit life on land. Although the major fram…
This book focuses on the first vertebrates to conquer the land, and on their long journey to become fully independent of the water. It traces the origin of tetrapod features and explains how they evolved into organs suited to a terrestrial life. The major part of the story cover…