| Ovaloolithus Temporal range: Late Cretaceous
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| Ovaloolithus chinkangkouensis, on display at the Paleozoological Museum of China. | |
Egg fossil classification 
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| Basic shell type: | †Dinosauroid-spherulitic |
| Oofamily: | †Ovaloolithidae |
| Oogenus: | †Ovaloolithus Zhao, 1979 |
Ovaloolithus is an oogenus of dinosaur egg. Eggs of the genus have been found in China, Mongolia and Utah.
Species
editOospecies attributed to this genus include:[1]
- O. chinkangkouensis - Cenomanian-Santonian Bayan Shireh Formation, Mongolia, Campanian Jingangkou Formation (Wangshi Group), China
- O. dinornithoides - Maastrichtian Nemegt Formation, Mongolia
- O. laminadermus - Campanian Jingangkou Formation (Wangshi Group), China
- O. tenuisus - Maastrichtian (Lancian) North Horn Formation, Utah
- O. turpanensis - Campanian-Maastrichtian Subashi Formation, China
- O. utahensis - Maastrichtian (Lancian) North Horn Formation, Utah
- Ovaloolithus sp. - Coniacian-Santonian Zhaoying Formation, Cenomanian-Turonian Chichengshan Formation (Tiantai Group) and Turonian Majiacun Formation, China
- O. huangtulingensis
- O. mixistriatus
- O. monostriatus
- O. sangpingensis
- O. tristriatus
- O. weiqiaoensis
See also
editReferences
edit- ^ Ovaloolithus in the Paleobiology Database
Further reading
edit- J.-L. Zhang, Q. Wang, S.-X. Jiang, X. Cheng, N. Li, R. Qiu, X.-J. Zhang and Z.-L. Wang. 2017. Review of historical and current research on the Late Cretaceous dinosaurs and dinosaur eggs from Laiyang, Shandong. Vertebrata PalAsiatica 55(2):187-200
- Z. Zhao, S. Zhang, Q. Wang and X. Wang. 2013. Dinosaur diversity during the transition between the middle and late parts of the Late Cretaceous in eastern Shandong Province, China: Evidence from dinosaur eggshells. Chinese Science Bulletin 58(36):4663-4669
- X.-l. Wang, Q. Wang, S.-x. Jiang, X. Cheng, J.-l. Zhang, Z.-k. Zhao, and Y.-g. Jiang. 2012. Dinosaur egg faunas of the Upper Cretaceous terrestrial red beds of China and their stratigraphical significance. Journal of Stratigraphy 36(2):400-416
- S.-K. Zhang and Q. Wang. 2010. [A new species of ovaloolithids from Turpan Basin in Xinjiang, China]. Vertebrata PalAsiatica 48(1):71-75
- X. Liang, S. Wen, D. Yang, S. Zhou, and S. Wu. 2009. Dinosaur eggs and dinosaur egg-bearing deposits (Upper Cretaceous) of Henan Province, China: Occurrences, palaeoenvironments, taphonomy and preservation. Progress in Natural Science 19(11):1587-1601
- K. E. Mikhailov. 2000. Eggs and eggshells of dinosaurs and birds from the Cretaceous of Mongolia. In M. J. Benton, M. A. Shishkin, D. M. Unwin, & E N. Kurichkin (eds.), The Age of Dinosaurs in Russia and Mongolia 560-572
- Carpenter, K. 1999. Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction (Life of the Past). Indiana University Press, Bloomington, Indiana
- X. Yu. 1998. [Characteristics of dinosaur fossils from southern Anhui and their significance for stratigraphic position]. Regional Geology of China 17(3):278-284
- Y. Li, Y. Liu, X. Chen and G. Zhao. 1996. Dinosaurian Embryo II: Young Dinosaur-bones in Ovaloolithus. Earth Science - Journal of China University of Geosciences 21(6):608-610
- Z. Zhao. 1979. [Advances in the study of fossil dinosaur eggs in our country]. Mesozoic and Cenozoic red beds of South China; selected papers from the field conference on the South China Cretaceous-Early Tertiary red beds. Science Press, Beijing 330-340
- T.-k. Chao and T.-k. Chiang. 1974. Microscopic studies on the dinosaurian egg-shells from Laiyang, Shanting province. Scientia Sinica 17(1):73-90
- C.-C. Young. 1965. [Fossil eggs from Nanshiung, Kwangtung and Kanchou, Kiangsi]. Vertebrata PalAsiatica 9(2):141-170
- C.-C. Young. 1954. Fossil reptilian eggs from Laiyang, Shantung, China. Scientia Sinica 3(4):505-522
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