There is something near-miraculous in the concept of tiny creatures, weighing just grams, making tracks and traces so long ago, that are now evident in rock.
Many species of iguanas dig shelters for protection against predators, fires and extreme weather. Most also make underground nests.
Anthony J. Martin
A trace fossil of an iguana burrow was discovered on San Salvador Island in the Bahamas. Estimated to be 115,000 years old, it is the first known fossil of its kind.