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RSS FeedsFossilized slime of 100-million-year-old hagfish shakes up vertebrate family tree
(PHYSorg.com Archaeology & Fossils)

 
 

21 january 2019 23:17:57

 
Fossilized slime of 100-million-year-old hagfish shakes up vertebrate family tree
(PHYSorg.com Archaeology & Fossils)
 


Paleontologists at the University of Chicago have discovered the first detailed fossil of a hagfish, the slimy, eel-like carrion feeders of the ocean. The 100-million-year-old fossil helps answer questions about when these ancient, jawless fish branched off the evolutionary tree from the lineage that gave rise to modern-day jawed vertebrates, including bony fish and humans.


 
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