After a century without clear evidence, well-preserved fossils of feathered dinosaurs were discovered during the 1990s, and more continue to be found.

Some of the later Permian limestone strata are rich in well-preserved fossils.

The monument contains extensive deposits of well-preserved fossils from various periods spanning more than 40 million years.

The best represented among the well-preserved fossils they left behind were semionotids.

The site is noted as a source of well-preserved insect fossils.

This is a former Upper Devonian reef system, where well-preserved fossils of 25 species have been found.

These may have contained life and may now contain well-preserved fossils of life.

This type of environment would support life, and clay can form well-preserved fossils.

Research on limestone and its well-preserved fossils has for centuries brought Estonian scientists international renown.

Exceptionally well-preserved fossils show the basic body plan and even the zebra pattern of colouring have not changed significantly over the last 50 million years.