If you reprint any of these images, please credit them to SLAC National Accelerator Laboratory.  Click on any image for a larger version or contact the Communications Office for a high resolution version.  Questions about the images should be directed to communications@slac.stanford.edu or to (650) 926-2204.

The Archaeopteryx press release is available on the SLAC press release Web page.

	The Archaeopteryx "Thermopolis specimen" is considered one of the most highly preserved examples of a transitional species linking dinosaurs and birds.
	The research team at SLAC conducting X-ray fluorescence spectroscopy studies on the Archaeopteryx fossil.
	Paleontologist Peter Larson seals the Archaeopteryx fossil in preparation for X-ray imaging studies in a chamber that will be filled with helium.
	Paleontologists Sam Farrar and Peter Larson move the sealed and mounted Archaeopteryx fossil into the X-ray hutch at SSRL Beamline 6-2.