Reptilia - Dinosauria - Spheroolithidae

Full reference: E. S. Bray. 1998. Dinosaur eggshell Boletuoolithus carlylensis, oogenus nov. from the Lower Cretaceous Cedar Mountain Formation of Utah. Lower and Middle Cretaceous Terrestrial Ecosystems, New Mexico Museum of Natural History and Science Bulletin 14:221-228

Parent taxon: Spheroolithidae according to E. S. Bray 1998

Sister taxa: Paraspheroolithus, Placoolithus, Shixingoolithus, Spheroolithus

Subtaxa: none

Ecology: ground dwelling herbivore