A fossil of a giant marine reptile known as an ichthyosaur may show evidence of the oldest live reptilian birth ever seen, U.S. paleontologists say.
The partial fossil skeleton of an ichthyosaur, giant marine reptiles that evolved from land reptiles and moved to the water, was recovered in China and may show a live birth, Ryosuke Motani from the University of California, Davis, said.
The maternal skeleton was associated with three embryos and neonates: one inside the mother, another exiting the pelvis -- with half the body still inside the mother -- and the third outside of the mother, Motani and colleagues report in the journal PLoS ONE.
Tuesday, Apr 23rd
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