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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.〔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. 〕
==See also==
* List of dinosaur oogenera
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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