Elongatoolithus
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Elongatoolithus is an oogenus of dinosaur eggs found in the Late Cretaceous formations of China and Mongolia. Like other elongatoolithids, they were laid by small theropods, and were cared for and inc
Pair of E. elongatus eggs, Paleozoological Museum of China
Fossil of Citipati parent sitting on its nest
Styloolithus
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Styloolithus is an oogenus of highly distinctive fossil egg from the Upper Cretaceous Djadokhta Formation and the Barun Goyot Formation in Mongolia.
Styloolithus egg next to two Gobioolithus