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Temporal range: Late Cretaceous
Megaloolithus at the Museum d'Histoire Naturelle Aix-en-Provence.
Eggshell classification e
Basic shell type: Dinosauroid-spherulitic
Oofamily: Megaloolithidae
Oogenus: Megaloolithus

Megaloolithus is an oogenus of dinosaur egg.[1] Some eggs belonging to this oogenus may have been laid by the titanosaur Hypselosaurus. They are known for having thick eggshells, at least 1.5 mm thick, and the nearly spherical shape of the eggs.[2] They are primarily found in India and Europe, but some specimens have been found in South America.[3]


  • M. aureliensis
  • M. baghensis
  • M. cylindricus
  • M. dhoridungriensis
  • M. jabalpurensis
  • M. khempurensis
  • M. mamillare
  • M. megadermus
  • M. microtuberculata
  • M. mohabeyi
  • M. petralta
  • M. problematica
  • M. siruguei
  • M. trempii
  • M. patagonicus


See also[edit]


  1. ^ Carpenter, K. 1999. Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction (Life of the Past). Indiana University Press, Bloomington, Indiana.
  2. ^ K. E. Mikhailov. 1991. Classification of fossil eggshells of amniotic vertebrates. Acta Palaeontologica Polonica 36(2):193-238
  3. ^ Paleobiology Database