Subtiliolithus
| Subtiliolithus Temporal range: Late Cretaceous | |
|---|---|
Eggshell classification  | |
| Basic shell type: | Ornithoid |
| Morphotype: | Ornithoid-ratite |
| Oofamily: | †Laevisoolithidae |
| Oogenus: | †Subtiliolithus |
Subtiliolithus is an oogenus of fossil egg from Nemegt Formation of Mongolia. The eggs are notable for a very thin eggshell. It contains two oospecies: S. kachchhensis, and S. microtuberculatus. They were originally classified as a distinct oofamily, Subtiliolithidae, but numerous similarities to Laevisoolithus have led to their reclassification as Laevisoolithid eggs. A complete skeleton of Nanantius valifanovi was found associated with Subtiliolithus eggshells, indicating that the oogenus represents eggs of enantiornithine birds.[1][2][3]
See also
References
- ↑ K. E. Mikhailov. 1991. Classification of fossil eggshells of amniotic vertebrates. Acta Palaeontologica Polonica 36(2):193-238
- ↑ Carpenter, K. 1999. Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction (Life of the Past). Indiana University Press, Bloomington, Indiana.
- ↑ Kurochkin, E.N., S. Chatterjee, and K.E. Mikhailov. (2013) "An Embryonic Enantiornithine Bird and Associated Eggs from the Cretaceous of Mongolia." Paleontological Journal 47(11):1252-1269.
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