Fossil discovery rewrites understanding of reproductive evolution
A exceptional 250-million-yr-previous ‘horrible-headed lizard’ fossil present in China exhibits an embryo contained in the mom — clear proof for stay start. The fossil unexpectedly offered the primary proof for stay start in an animal group beforehand thought to solely lay eggs.
Paleontology News — ScienceDaily
This entry was posted in Paleontology and tagged discovery, Evolution, fossil. Bookmark the permalink.