Exceptionally preserved eggs and embryos reveal the life history of a pterosaur

The pterosaur record is generally poor, and pterosaur eggs are even rarer. Only a handful of isolated occurrences of eggs and embryos have been reported so far. Three-dimensionally preserved eggs include one from Argentina and five reported from the Turpan-Hami Basin, Xinjiang, northwestern China in 2014. - HeritageDaily - Archaeology News

Extraordinarily preserved fossilised embryo from China offers

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Hyphalosaurus baitaigouensis eggs and hatchling. (a) Unhatched egg

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