Porituberoolithus

Porituberoolithus; Temporal range: late Campanian; ~77–83.6 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Egg fossil classification
Basic shell type:	Ornithoid
Morphotype:	Ornithoid-ratite
Oogenus:	†Porituberoolithus; Zelenitsky, Hills & Currie, 1996
Oospecies
	† P. warnerensis;

Porituberoolithus is an oogenus of dinosaur egg found in the late Campanian Oldman Formation and Dinosaur Park Formation of Alberta, the Fossil Forest Member of the Fruitland Formation in New Mexico, the Upper Shale Member of the Aguja Formation in Texas and Cerro del Pueblo Formation (Difunta Group) of Mexico. It was originally described as distinct from the Elongatoolithids on the basis of its ornamentation, but it was listed as a member of that oofamily by Wang et al. 2010.^[1]^[2] It is very similar to Subtiliolithus, but has a thicker shell.^[2]

References

^ Q. Wang, X.-L. Wang, Z.-K. Zhao and Y.-G. Jiang. 2010. A new oogenus of Elongatoolithidae from the Upper Cretaceous Chichengshan Formation of Tiantai Basin, Zhejiang Province. Vertebrata PalAsiatica 48(2):111-118
^ ^2.0 ^2.1 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

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