bilaterian

An artist's rendering of the ancient wormlike creature called Ikaria wariootia. Source: Sohail Wasif/UCR

24 March, 2020 - 23:34 ancient-origins

Rice-Sized Ancient Worms are the Ancestors of All Animals

Geologists have discovered the first ancestor on the family tree that contains most animals today, including humans. The ancient worm-like creature , Ikaria wariootia , is the earliest bilaterian, or...