Genus

Formal taxon Extinct

Paraspheroolithus

Zhao 1979

Spheroolithus is an oogenus of dinosaur egg.

Temporal range

Triassic

Jurassic

Cretaceous

Paleogene

Neogene

252 201 145 66 0 Ma

PBDB occurrences

Group

Dinosaures

Herbivore Ground dwelling, gregarious Terrestrial

click to enlarge

Spheroolithus fossil dinosaur eggs, from China. Exhibit in the Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, Pennsylvania, USA. Photography was permitted in this area of the museum without restrictions. © Daderot · Public domain · Wikimedia

PBDB ↗ Wikipedia ↗

Classification

Dinosauria Unranked clade

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Ornithischia Unranked clade

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Neornithischia Unranked clade

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Pyrodontia Unranked clade

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Cerapoda Unranked clade

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Ornithopoda Suborder

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Iguanodontia Infraorder

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Euiguanodontia Unranked clade

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Dryomorpha Unranked clade

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Ankylopollexia Unranked clade

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Styracosterna Unranked clade

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Hadrosauriformes Unranked clade

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Hadrosauroidea Unranked clade

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Spheroolithidae Family

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Paraspheroolithus Genus

Fossil sites 24 geolocated sites

Distribution

Top countries

🇨🇳 China

🇲🇳 Mongolia

Geological formations

Zhaoying

Jingangkou

Sanshui

Majiacun

Gaogou

Baruungoyot

Iren Dabasu

Baynshire

Dongyuan

Nemegt

Temporal distribution

Maastrichtian (72.2–66 Ma)

Campanian (83.6–72.2 Ma)

Santonian (85.7–83.6 Ma)

Coniacian (89.8–85.7 Ma)

Turonian (93.9–89.8 Ma)

Species (4)

Paraspheroolithus irenensis 101 Ma

Paraspheroolithus sanwangbacunensis 84 Ma

Paraspheroolithus yangchengensis 90 Ma

Spheroolithus tenuicorticus subjective synonym of Paraspheroolithus irenensis 101 Ma

Bibliography

Original description

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

Bibliography (12)

K. Tanaka, D. K. Zelenitsky, and F. Therrien, Y. Lee, K. Kubota, Y. Kobayashi, G. F. Funston, T. Khishigjav. 2023. Description and review of non-avian dinosaur eggs from Cretaceous deposits of the Mongolian Gobi Desert. Windows into Sauropsid and Synapsid Evolution: Essays in Honor of Louis L. Jacobs

X.-F. Zhu, K.-Y. Fang, and Q. Wang, X.-H. Lu, W.-Q. Wu, Y.-L. Du, Z.-Q. Huang, X.-L. Wang. 2019. The first Stalicoolithus shifengensis discovered in a clutch from the Sanshui Basin, Guangdong Province. Vertebrata PalAsiatica 57(1):77-83 DOI ↗

X. Liang, S. Wen, and D. Yang, S. Zhou, 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 DOI ↗

X. Fang, Z. Zhang, and Q. Pang, P. Li, Y. Han, H. Xie, R. Yan, F. Pang, J. Lü, Z. Cheng. 2007. [Cretaceous strata and egg fossils in Xixia, Henan province]. Acta Geoscientia Sinica 28(2):123–142

X. Fang, Z. Zhang, and X. Zhang, L. Lu, Y. Han, P. Li. 2005. [Fossil eggs from the Heyuan Basin, east-central Guangdong, China]. Geological Bulletin of China 24(7):682–686

S.-q. Zhou and Z.-j. Feng. 2002. [Studies on the occurrence beds of Oölithus and their relations to the upper-lower boundarues in Henan province]. Resources Survey & Environment 23(1):68-76

H. Zhao and Z. Zhao. 1998. [Dinosaur eggs from Xichuan Basin, Henan province]. Vertebrata PalAsiatica 36(4):282–296

K. E. Mikhailov. 1994. Eggs of sauropod and ornithopod dinosaurs from the Cretaceous deposits of Mongolia. Paleontological Journal 28(3):141–159

Z.-K. Zhao. 1994. In K. Carpenter, K. F. Hirsch, and J. R. Horner (eds.), Dinosaur Eggs and Babies, Cambridge University Press, Cambridge. Dinosaur Eggs and Babies, Cambridge University Press, Cambridge

P. J. Currie and D. A. Eberth. 1993. Palaeontology, sedimentology and palaeoecology of the Iren Dabasu Formation (Upper Cretaceous), Inner Mongolia, People's Republic of China. Cretaceous Research 14:127-144 DOI ↗

Anonymous. 1979. [The first discovery of dinosaur eggs in the “red-beds” of Canton (Guangzhou)]. Mesozoic and Cenozoic Red Beds of South China: Selected Papers from the "Cretaceous-Tertiary Workshop"

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