Laevisoolithidae is an
oofamily of
fossil eggs belonging to the
Ornithoid-ratite morphotype. Their
eggshell
An eggshell is the outer covering of a hard-shelled egg (biology), egg and of some forms of eggs with soft outer coats.
Worm eggs
Nematode eggs present a two layered structure: an external vitellin layer made of chitin that confers mechanical ...
s are smooth and very thin, typically less than a millimeter thick. Laevisoolithids may be the eggs of
Enantiornithid birds.
[K. E. Mikhailov. 1991. Classification of fossil eggshells of amniotic vertebrates. Acta Palaeontologica Polonica 36(2):193-238] Eggs of the family were found in the
Grès à Reptiles Formation of France and the
Nemegt Formation of Mongolia.
References
Egg fossils
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