Scientists relieved to discover 'curious' creature with no anus is not earliest human ancestor nature
surrounded by spines and holes that were interpreted as pores for gills—a primitive feature of the deuterostome group, from which our own deep ancestors emerged.
"Some of the fossils are so perfectly preserved that they look almost alive," says Yunhuan Liu, professor in Paleobiology at Chang'an University, Xi'an, China."Saccorhytus was a curious beast, with a mouth but no anus, and rings of complex spines around its mouth.", make important amendments to the early phylogenetic tree and the understanding of how life developed.
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