Faveoloolithidae is an

oofamily 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 ...

of dinosaur eggs. It contains '' Faveoloolithus'', '' Hemifaveoloolithus'', ''

Parafaveoloolithus ''Parafaveoloolithus'' is an oogenus of Faveoloolithid fossil egg, known from the Cretaceous of China.Zhang, S.K. 2010A parataxonomic revision of the Cretaceous faveoloolithid eggs of China ''Vertebrata PalAsiatica'' 48(3):203-219 Description ...

'', and probably '' Sphaerovum''. However, unlike the other Faveoloolthids, ''Sphaerovum'' has compactituberculate ornamentation more similar to megaloolithids. Like

Dictyoolithidae Dictyoolithidae is an oofamily of dinosaur eggs which have a distinctive reticulate organization of their eggshell units. They are so far known only from Cretaceous formations in China. Distribution All known dictyoolithids are known from the Cr ...

, the membrane and the

calcareous Calcareous () is an adjective meaning "mostly or partly composed of calcium carbonate", in other words, containing lime or being chalky. The term is used in a wide variety of scientific disciplines. In zoology ''Calcareous'' is used as an adje ...

part of the eggshell formed simultaneously instead of forming the membrane before the calcareous like modern

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

s.Z.-K. Zhao. (1994) "Dinosaur eggs in China:On the structure and evolution of eggshells." In K. Carpenter, K. F. Hirsch, and J. R. Horner (eds.), ''Dinosaur Eggs and Babies,'' Cambridge University Press, Cambridge. Cambridge. pp. 184–203.

References

Egg fossils {{dinosaur-stub

See also

References