Turtles (Testudines) have captivated evolutionary biologists for decades due to their distinct morphology and ancient origins. Recent studies have elucidated the evolutionary transformations that led ...

A study shows that turtles use both genetic signals and mechanical forces to form the scales on their heads, revealing a shared heritage with crocodiles and dinosaurs. In vertebrates, the formation of ...

Turtles today are often slow-moving, modestly sized creatures, but their ancient relatives were quite different. Long before ...

Eugene S. Gaffney : a professional biography and bibliography / Robert L. Carroll -- Autobiography (through May 2009) / Eugene S. Gaffney -- Problems of the ancestry of turtles / Robert L. Carroll -- ...

The Outside Story shows how turtles have the capacity to withstand freezing temperatures in winter, some by freezing ...

Ever consider the question of whether a turtle can truly pull its head into its shell like a cartoon representation in a children’s tale? The answer is far from being merely yes or no. As mentioned in ...

This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...

A sea turtle’s shell is living bone fused directly to its spine and ribs. It is not a detachable shield or an external case, ...

In vertebrates, the formation of feathers, hair, and scales is typically governed by molecular genetic factors. However, crocodile head scales are an exception, as they form through a purely ...