Saccorhytus coronarius

Top 10 Bizarre Prehistoric Marine Animals That Would Be Classified as Sea Monsters If They Exist Today

Medicine & Technology Apr 20, 2023

The modern ocean is filled with different sea animals that may look scary today, but they would not compare to prehistoric species. Check out this article to know some of the bizarre prehistoric marine animals.

Microfossils With Large Mouth Discovered In China Believed To Vertebrates' Ancestors Have No Anus

Feb 02, 2017

Researchers have discovered evidence of the earliest ancestor of all vertebrates, including humans. The Saccorhytus coronarius lived 540 million years ago and had a big mouth but no anus.

Saccorhytus coronarius

Top 10 Bizarre Prehistoric Marine Animals That Would Be Classified as Sea Monsters If They Exist Today

Microfossils With Large Mouth Discovered In China Believed To Vertebrates' Ancestors Have No Anus

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