News of the WeekPaleontology

Dinosaur Embryos Hint at Evolution of Giants

See allHide authors and affiliations

Science  29 Jul 2005:
Vol. 309, Issue 5735, pp. 679
DOI: 10.1126/science.309.5735.679

You are currently viewing the summary.

View Full Text

Log in to view the full text

Log in through your institution

Log in through your institution


An analysis of the oldest fossilized dinosaur embryos so far discovered, described on page 761 of this issue of Science, suggests that rather than dropping down on all fours only as their bodies grew too large to be carried on two feet, sauropods were already quadrupedal even as smaller creatures.