Faveoloolithidae

Faveoloolithidae
Temporal range: Turonian-Maastrichtian
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Faveoloolithus sp. eggs, Henan Geological Museum
Egg fossil classification
Basic shell type: †Dinosauroid-spherulitic
Oofamily: †Faveoloolithidae
Oogenera

Faveoloolithidae is an oofamily of dinosaur eggs. It contains Faveoloolithus, Hemifaveoloolithus, Parafaveoloolithus, and probably Sphaerovum. However, unlike the other Faveoloolthids, Sphaerovum has compactituberculate ornamentation more similar to megaloolithids. Like Dictyoolithidae, the membrane and the calcareous part of the eggshell formed simultaneously instead of forming the membrane before the calcareous like modern birds.

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