I thought turtles (like mammals) were outside of the archosaur group.
Barring one anomalous molecular study, this is probably true.
Oh yeah -- there are at least two molecular studies that have found this result. It's morphologically impossible, though.
Dann Pigdon GIS / Archaeologist http://geo_cities.com/dannsdinosaurs Melbourne, Australia http://heretichides.soffiles.com ___________________________________________________________________