Half-billion-year-old fossil of strange Cambrian creature gives evolutionary clues about vertebrates
When you purchase through links on our web site , we may earn an affiliate charge . Here ’s how it work . A stunningly - preserve , half - billion yr honest-to-goodness fossil of a strangeCambriancreature could stir our apprehension of how a sister group to vertebrate evolved , a new study suggests . The fossil , described July 6 in the journalNature Communications , is the oldest of its variety and belong to an ancient mintage of tunicate , Megasiphon thylakos ....