Parvoolithus
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| Parvoolithus Temporal range: Campanian
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Egg fossil classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Oogenus: | †Parvoolithus Mikhailov, 1996 |
| Oospecies | |
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P. tortuosus | |
Parvoolithus is an oogenus of Mongolian fossil eggs from the Campanian Barun Goyot Formation. They are known from a single small, smooth egg, which cannot be assigned to any known oofamily.[1] It is very similar to the eggs of modern birds in many aspects; in fact, a cladistic analysis by Zelenitsky and Therrien found it to be a sister taxon to the guinea fowl (genus Numida), indicating that they represent the eggs of birds, rather than a non-avialan theropod.[2]
References
- ^ Mikhailov, K.E. (1997). Fossil and recent eggshell in amniotic vertebrates: Fine structure, comparative morphology and classification. Special Papers in Palaeontology 56. The Palaeontological Association. London. (page 58).
- ^ Zelenitsky, D.K. and Therrien, F. (2008). Phylogenetic analysis of reproductive traits of maniraptoran theropods and its implications for egg parataxonomy. Palaeontology, 51(4): 807–816
Bibliography
- K. E. Mikhailov. 1996. New genera of fossil eggs from the Upper Cretaceous of Mongolia. Paleontological Journal 30(2):246-248
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