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of excavated nest structures that can be compared to living egg-layers such as turtles, crocodilians and birds. Even their spacing within the nesting locality (two to three meters apart) can be assessed. Reconstruction of nesting strategies suggest that shallow pits with rims were excavated and plant
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At Auca
Mahuevo dinosaur eggs containing identifiable embryonic remains have been the most spectacular discoveries. The eggs retain casts of the
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Coria, R.A. and
Chiappe, L.M. - 2007 - Embryonic Skin From Late Cretaceous Sauropods (Dinosauria) of Auca Mahuevo, Patagonia, Argentina
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at Auca
Mahuevo were deposited between 83.5 and 79.5 million years before present and offer a view of a fossilized
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The Auca
Mahuevo lagerstätte was discovered during two expeditions, in 1997 and 1999, by
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378:Categories
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100:References
52:hatchery.
35:Patagonian
24:Cretaceous
274:Argentina
169:: 591–596
125:Archived
80:See also
50:sauropod
31:badlands
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