Hallucigenia: the half-billion years old freaky ancestor of molting animals
When the freakish Hallucigenia was first discovered in the 1970s, paleontologists found it nearly impossible to distinguish heads from tail. ...
When the freakish Hallucigenia was first discovered in the 1970s, paleontologists found it nearly impossible to distinguish heads from tail. ...
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© 2007-2023 ZME Science - Not exactly rocket science. All Rights Reserved.