Could be case the embryos be at too early stage to have signs of filaments? On 28-10-2012 23:39, Mike Keesey wrote:
On Fri, Oct 26, 2012 at 7:28 PM, Dan Chure <danchure@easilink.com> wrote:That is the next frontier. Sauropods do not seem to occur in environments where integument and soft tissue preservation occurs.The Auca Mahuevo fossils of titanosaur embryos preserve skin impressions (scales, no signs of filaments).