Thursday, June 14, 2012

Where We Split from Sharks: Common Ancestor Comes Into Focus

Newswise -- The common ancestor of all jawed vertebrates on Earth resembled a shark, according to a new analysis of the braincase of a 290-million-year-old fossil fish that has long puzzled paleontologists.

New research on Acanthodes bronni, a fish from the Paleozoic era, sheds light on the evolution of the earliest jawed vertebrates and offers a new glimpse of the last common ancestor before the split between the earliest sharks and the first bony fishes -- the lineage that would eventually include human beings.


MORE: http://www.newswise.com/articles/view/590307/

See also...

Bonobo Genome Completed: The Final Great Ape to Be Sequenced
http://www.sciencedaily.com/releases/2012/06/120613133144.htm

Lessons from Epigenome Evolution
http://www.sciencedaily.com/releases/2012/06/120611122636.htm