Spheroolithus is an oogenus of dinosaur egg.[Wang Q, Wang X L, Zhao Z K, and Jiang Y G. (2012). " A new oofamily of dinosaur egg from the Upper Cretaceous of Tiantai Basin, Zhejiang Province, and its mechanism of eggshell formation" Chinese Science Bulletin. 57: 3740-3747. doi: 10.1007/s11434-012-5353-2]
Oospecies
The following species are described:
[ Spheroolithus in the Paleobiology Database]
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Paraspheroolithus sanwangbacunensis
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Paraspheroolithus yangchengensis
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Spheroolithus albertensis
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Spheroolithus choteauensis
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Spheroolithus europaeus
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Spheroolithus irenensis
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Spheroolithus jincunensis
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Spheroolithus maiasauroides
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Spheroolithus megadermus
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Spheroolithus spheroides
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Spheroolithus tenuicorticus
Distribution
Fossils of the oogenus were found in:
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Dinosaur Park and , Alberta, Canada
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China
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Sasayama Group, Japan
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Cerro del Pueblo Formation (Difunta Group), Mexico
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Nemegt Formation & Bayan Shireh Formations, Mongolia
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La Posa Formation (Tremp Group), Spain
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Two Medicine Formation, Montana and North Horn Formation, Utah, United States
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Lameta Formation, India
Gallery
Spheroolithidae.jpg| Spheroolithus sp. eggs
Fossil Dinosaur Eggs- Paraspheroolithus sp.jpg| Paraspheroolithus eggs in Henan Geological Museum
See also
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List of dinosaur oogenera
Bibliography
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Carpenter, K. 1999. Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction (Life of the Past). Indiana University Press, Bloomington, Indiana
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Z. Zhao. 1979. Advances. 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
