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Baby Yingliang (YLSNHM01266) is a remarkably preserved dinosaur embryo discovered in Ganzhou, southern China. It was discovered in rock layers of the Hekou Formation, which dates to the Late Cretaceous. The embryo belongs to an oviraptorid theropod dinosaur, and the egg is classified as elongatoolithid.
Model of a dinosaur egg. Dinosaur reproduction shows correlation with archosaur physiology, with newborns hatching from eggs that were laid in nests. [1] [2] Dinosaurs did not nurture their offspring as mammals typically do, and because dinosaurs did not nurse, it is likely that most dinosaurs were capable of surviving on their own after hatching. [3]
Scientists have tried to use CAT scans to look for embryo fossils contained inside the egg without having to damage the egg itself by physically extracting them. However, as of Ken Carpenter's 1999 book on dinosaur eggs, Eggs, Nests, and Baby Dinosaurs, all alleged embryos discovered using this method were actually false alarms. Variations in ...
The study, published in Proceedings of the National Academy of Sciences, finds that some dinosaur eggs may have taken six months or more to hatch–much longer than the eggs of dinosaurs' close ...
The fossil of a baby dinosaur discovered more than 25 years ago in China has been identified as a new species of feathered dinosaur.
The previous record for the smallest non-avian dinosaur egg, according to Guinness World Records, measures 45-by-20 millimeters (about 1.77-by-0.79 inches). Discovered in Japan's Tamba City, this ...
Beibeilong laid one the largest known types of dinosaur eggs, Macroelongatoolithus. Its eggs measured around 40–45 cm (16–18 in) in length and had ruggedly ornamented eggshell surfaces. The typical Macroelongatoolithus nest was ring-shaped with one or two layers of eggs, and the center was largely devoid of eggs.
Life restoration of adult Mussaurus. Infant and juvenile fossils of Mussaurus were first discovered by an expedition led by Jose Bonaparte during the 1970s to the Laguna Colorada Formation, where the team found fossilized eggs and hatchlings, which added insight into the reproductive strategies of Mussaurus and other sauropodomorph dinosaurs. [1]