Our understanding of pre-Cretaceous dinosaur reproduction is hindered by a scarcity of
evidence within fossil records. Here we report three adult skeletons and five clutches of …

The geochemical signatures of dinosaur eggshells represent well-established proxies in
paleoenvironmental and paleobiological research. The variable sampling procedures …

Unlike the eggshells of other amniotes, turtle eggshells are composed of aragonite, which is
a metastable mineral. Turtle eggshells in the fossil record are therefore usually transformed …

The fossil record of dinosaur eggs is highly biased; in contrast to the relatively rich egg
record for theropods and sauropodomorphs 1, 2, the characteristics of ceratopsian eggs …

El huevo amniótico es una de las mayores innovaciones evolutivas de los vertebrados.
Permitió a los vertebrados amniotas romper permanentemente su conexión con el mar al …

Our understanding of pre-Cretaceous dinosaur reproduction is hindered by a scarcity of
evidence within the fossil record. Here we report three adult skeletons and five clutches of …