D. K. Zelenitsky, L. V. Hills, and P. J. Currie. 1996. Parataxonomic classification of ornithoid eggshell fragments from the Oldman Formation (Judith River Group; Upper Cretaceous), southern Alberta. Canadian Journal of Earth Sciences 33:1655-1667
DOI ↗
Bibliographie (2)
D. K. Zelenitsky and W. J. Sloboda. 2005. Eggshells. Dinosaur Provincial Park: A Spectacular Ancient Ecosystem Revealed. Indiana University Press, Bloomington
D. K. Zelenitsky, L. V. Hills, and P. J. Currie. 1996. Parataxonomic classification of ornithoid eggshell fragments from the Oldman Formation (Judith River Group; Upper Cretaceous), southern Alberta. Canadian Journal of Earth Sciences 33:1655-1667
DOI ↗