Manitoba is well-known for its fossil record, including the fossil-filled, world-famous Ordovician-aged Tyndall Stone and the ...

With Anatolepis out of the picture, the team says, the oldest known teeth are those of Eriptychius, which is only known from the Ordovician Period.These do have true dentine – in odontodes on ...

Two types of jawed fish arose around 450 million years ago — and both make an appearance at the Chongqing site. The new site is remarkable for its diversity of osteichthyans, bony jawed fishes ...

Nature - Ancient fish from the Silurian period provide evolutionary insights. Scarce evidence indicates that key evolutionary steps for jawed vertebrates occurred during or before the Silurian ...

New research on fossils shows teeth first evolved as sensory tissue in the armored exoskeletons of early fish Sensitive teeth ... The new study, published this week in Nature, confirms that these ...

Our sensitive teeth originally evolved from the "body armor" of extinct fish that lived 465 million years ago, scientists say. In a new study, the researchers showed how sensory tissue discovered ...

“Shark-like scales from the Late Ordovician have been found, but no teeth. If these were from sharks it would suggest that the earliest forms could have been toothless. Scientists are still debating ...

Teeth first evolved as sensory organs, not for chewing, according to a new analysis of animal fossils.The first tooth-like structures seem to have been sensitive nodules on the skin of early fish ...