Activity

Researchers May Have Discovered The Oldest (~555 Myrs Old) Fossil Of A Worm-Like Animal, Called Ikaria Wariootia, Which’s Probably The Oldest Ancestor To Almost Every Living Animal Today. The Animal, ~The Size Of A Rice Grain, Discovered In Australia, Is Said To Be The Earliest Bilaterian Animal (2 Symmetrical Sides With A Mouth And Anus).

Wormlike Creature That Lived 555 Million Years Ago May Be the Ancestor of Almost All Living Animals

https://www.newsweek.com/wormlike-creature-555-million-years-ancestor-almost-all-living-animals-1493795

Scientists have used 3D scanning to identify the earliest animal with a front, a back, two symmetrical sides and openings at both ends connected to one another by a gut.