9 years ago
600-million-year-old fossil shows actual cells that make it the best candidate yet for an ancestor of sponge animals
A beautifully preserved 600-million-year-old fossil shows actual cells that make it the best candidate yet for an ancestor of sponge animals, researchers propose. The new find, now named Eocyathispongia qiania, is just a single fossil barely as big as a pinhead. Yet its three tubular chambers arising from a base and its visible parts of cells resemble sponges, Zongjun Yin of the Chinese Academy of Sciences in Nanjing and colleagues report March 9 in the Proceedings of...
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