Turtle eggs from the Lower Cretaceous Hasandong Formation (South Korea) with relict aragonite under significant thermal maturity
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 …
a metastable mineral. Turtle eggshells in the fossil record are therefore usually transformed …