Yunnanozoon lividum

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Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

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Why Do We Eat Turkey on Thanksgiving?

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What is the Difference Between Daoism and Confucianism?

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

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Pro and Con: School Uniforms

Adolf Hitler (Nazi, nazism, German leader).

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Yunnanozoon lividum

fossil animal

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evolution and paleontology of chordates

In chordate: Evolution and paleontology
…over whether older animals—such as Yunnanozoon lividum and Haikouella (both of which date to 530 million years ago and possess several chordate features)—should be considered chordates. An extensive vertebrate fossil record begins about 400 million years ago.
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