A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found decades ago in Canada reveal.

New research from the University of Chicago shows that dentine, the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue in the armoured ...

Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When ...

Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives ...

Teeth are good for chewing and biting, but they are also sensitive – and that may have been their original function hundreds ...

A scholarly paper published last year described the discovery of several hundred noteworthy fossils from the Ordovician period, some 470 million years ago; their finds quickly became the subject ...

Sarah Gabbot, who originally discovered the specimen, realized that the fossil had been preserved ... years to the end of the next geologic period (the Ordovician), and life meets its first ...

Within it are several fossilized marine creatures from the Ordovician Period, 488.3 million-443.7 million years ago. Such fossils are found across the Himalayas, and finds include trilobites ...

Rich brachiopod fossils dating back 470 million years to the Ordovician period were discovered in Zigui county, Central China's Hubei Province. Experts suggest these fossils provide evidence for ...

Regenerated from ancient fossils, these creatures boast unique ... These creatures, resembling flowers, have existed since the Ordovician period (approximately 480 million years ago), though ...

Unlike other fossils that appear plain-looking ... during the Cambrian Period but have gone extinct by the Ordovician Period. Newly unveiled details from the current project also illustrate ...