Humans, meet the ancient sea creature at the other end of your family tree

Tuesday, January 31, 2017 - 18:51 in Paleontology & Archaeology

A tiny wrinkled sack with a big mouth and no anus may well be the earliest-known of humans’ forebears. Meet Saccorhytus coronarius, a 540-million-year-old critter the size of a grain of sand, whose fossil remains were discovered in China. Scientists say Saccorhytus is the most primitive of the...

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