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Wednesday, April 05, 2006
"No transitional species" my ass!
A cool fossil fish find.
Researchers think it may have looked something like this:'It sort of blurs the distinction between fish and land-living animals,'' said one of its discoverers, paleontologist Neil Shubin of the University of Chicago.
Experts said the discovery, with its unusually well-preserved and complete skeletons, reveals significant new information about how the water-to-land evolution took place.
''It's an important new contribution to (understanding) a very, very important transition in the history of life,'' said Robert Carroll of McGill University in Montreal.
...
The back of its head also had features like those of land-dwellers. It probably had lungs as well as gills, and it had overlapping ribs that could be used to support the body against gravity, Shubin said.
...
Yet, the creature's jaws and snout were still very fishlike, showing that ''evolution proceeds slowly; it proceeds in a mosaic pattern with some elements changing while others stay the same,'' Daeschler said.
