Scientists find oldest-known fossilized digestive tract -- 550 million years
Friday, January 10, 2020 - 12:00
in Paleontology & Archaeology
An analysis of tubular fossils provides evidence of a 550-million-year-old digestive tract -- one of the oldest known examples of fossilized internal anatomical structures -- and reveals what scientists believe is a possible answer to the question of how these animals are connected.