Reptilia - Dinosauria - Elongatoolithidae
Full reference: Z.-K. Zhao. 1975. [The microstructures of the dinosaurian eggshells of Nanxiong Basin, Guandong province. (1) On the classification of dinosaur eggs]. Vertebrata PalAsiatica 13(2):105-117
Parent taxon: Elongatoolithidae according to Q. Wang et al. 2010
Sister taxa: Continuoolithus, Ellipsoolithus, Heishanoolithus, Macroelongatoolithus, Macroolithus, Nanhsiungoolithus, Paraelongatoolithus, Porituberoolithus, Spongioolithus, Trachoolithus
Subtaxa: Elongatoolithus andrewsi, Elongatoolithus chichengshanensis, Elongatoolithus elongatus, Elongatoolithus excellens, Elongatoolithus frustrabilis, Elongatoolithus laijiaensis, Elongatoolithus magnus, Elongatoolithus sigillarius, Elongatoolithus subtitectorius
Ecology: ground dwelling carnivore