The creature is so novel, it has its own family (Saccorhytidae), as well as its own genus and species (Saccorhytus coronaries), named for its wrinkled, sac-like body. S. coronaries, with its oval body and large mouth, is likely a deuterostome, a group that includes all vertebrates, including humans, and some invertebrates, such as starfish. "We think that as an early deuterostome, this may represent the primitive beginnings of a very diverse range of species, including ourselves," Simon Conway Morris, a professor of evolutionary palaeobiology at the University of Cambridge, said in a statement.
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