Laevisoolithidae is an
oofamily of
fossil egg
Egg fossils are the fossilized remains of eggs laid by ancient animals. As evidence of the physiological processes of an animal, egg fossils are considered a type of trace fossil. Under rare circumstances a fossil egg may preserve the remains of t ...
s belonging to the
Ornithoid-ratite morphotype. Their
eggshell
An eggshell is the outer covering of a hard-shelled egg and of some forms of eggs with soft outer coats.
Diversity
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
Grès was a French haute couture fashion house founded by Madame Grès in 1942. Parfums Grès is the associated perfume house, which still exists, and is now based in Switzerland.
History
Germaine Émilie Krebs (1903–1993), known as Alix Bar ...
of France and the
Nemegt Formation of Mongolia.
References
Egg fossils
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