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Dinosaur egg remains are not particularly rare; they are known
from over 220 localities world-wide. Dinosaur eggs have been
found in North America, France, Mongolia and China. It seems
likely that some species of dinosaur, like some living reptiles,
buried their eggs in the ground; this would make them more likely
to become fossilized. The 'Dinosaur Egg and Embryo Project' is
centered upon four different kinds of egg from the Nanchao Formation
(Upper Cretaceous; about 75-85 million years ago) of the Nanyang
Valley, Henan Province, PRC. click here to view image A range of dinosaur eggs and clutches. The 'missing' egg yielded one of the dinosaur embryos on exhibition. |
Embryonic bones within dinosaur eggs: This is not the first time that bones of developing dinosaurs have been found within fossil eggs. Previous finds are summarized in a book entitled 'Dinosaur Eggs and Babies', published by Cambridge University Press in 1994. This book includes a description of a remarkably good embryonic skull of Hypacrosaurus from Canada. Others have subsequently described a partial embryonic skull of an oviraptorid dinosaur from Mongolia. All four kinds of egg studied in the present project have yielded embryonic bones and two kinds have also yielded complete skulls. |
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