Reptilia - Ornithischia - Spheroolithidae
Alternative spelling: Sphereoolithus
Full reference: 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
Parent taxon: Spheroolithidae according to J. Hedge et al. 2025
See also Cousin 2002, Fang et al. 2003, Jackson and Varricchio 2010, Liang et al. 2009, Liu et al. 2013, Mikhailov 2000, Mikhailov 1994, Mikhailov et al. 1994, Mohabey 2001, Moreno-Azanza et al. 2014, Moreno-Azanza et al. 2016, Sellés et al. 2014, Tanaka et al. 2023, Zelenitsky and Hills 1997, Zhang 2022, Zhang et al. 2017, Zhao 1979 and Zhao et al. 2013
Sister taxa: Guegoolithus, Paraspheroolithus
Subtaxa: Spheroolithus albertensis Spheroolithus chiangchiungtingensis Spheroolithus choteauensis Spheroolithus europaeus Spheroolithus jincunensis Spheroolithus maiasauroides Spheroolithus quantouensis Spheroolithus spheroides
Type: Oolithes irenensis
Ecology: ground dwelling herbivore
Distribution:
• Cretaceous of Canada (5: Alberta collections), China (7), India (2), Japan (1), Mexico (4), Mongolia (4), Spain (2), United States (10: Montana, Utah)
Total: 35 collections including 38 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.