Ancestor of all animals identified in Australian fossils

ScienceDaily
Mar 23, 2020, 3:21 pm88 pts
Geologists have discovered the first ancestor on the family tree that contains most animals today, including humans. The wormlike creature, Ikaria wariootia, is the earliest bilaterian, or organism with a front and back, two symmetrical sides, and openings at either end connected by a gut. It was found in…

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