Researchers reveal that this fossil, which is exceptionally well preserved, predates even the first dinosaurs, which first appeared around 240 million years ago. The @ROMtoronto will display a very rare and recently discovered fossil of a 450 million year old marine animal found in southern Ontario. https://t.co/iY8OgA77nN — Toronto Star (@TorontoStar) April 20, 2022The fossil is part of the ‘Tomlinsonus dimitrii’ species, part of an extinct group of arthropods. Researchers say that this newly discovered fossil is “exceptionally well preserved.”The discovery was announced on March 24, 2022, in the Journal of Palaeontology. Researchers with the ROM say a “Tomlinsonus dimitrii” marine animal fossil has been recently discovered and is nearly half a billion years old.
Source: thestar April 21, 2022 18:50 UTC