The fossilized remains of a bizarre-looking reptile are giving scientists new insights into how turtles got their distinctive shells. Some 240 million years ago, this early turtle-like creature ...

Andrey Atuchin Nothing says safety in the animal kingdom quite like the turtle’s shell. But scientists have long puzzled over how the slow-moving reptiles evolved their iconic defenses.

The exoskeletons of snails and clams, or their shells in common parlance, differ from the endoskeletons of turtles in several ways. Seashells are the exoskeletons of mollusks such as snails ...

John Edwards Holbrook, Biodiversity Heritage Library, 1842 Turtles stand alone among living and extinct backboned animals because of the unique hard shell that encases their bodies. Other animals ...

The sea turtle's unique shell evolved many millions of years ago How the turtle shell evolved has puzzled scientists for years, but new research sheds light on how their hard shells were formed.

How the turtle shell evolved has puzzled scientists for years, but new research sheds light on how their hard shells were formed. Scientists say the ancient fossil skeleton of an extinct South ...