Dickinsonia

A Dickinsonia is an extinct genus of animal that was living during the Ediacaran Period in what is now Australia, China, India, and Russia. The individual Dickinsonia typically resembles a bilaterally symmetrical ribbed oval. And also that Dickinsonia eats Algae since it was the only available food at the time.

"The Dickinsonia is a very old animal!" or to make your answer specific, "The Dickinsonia was found in the outbacks of Australia".