Prismatoolithidae

Prismatoolithidae is an oofamily of fossil eggs. They may have been laid by ornithopods or theropods.^[4][1]

Prismatoolithidae Temporal range: Late Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N
Egg fossil classification
Basic shell type:	†Dinosauroid-prismatic
Oofamily:	†Prismatoolithidae Hirsch, 1994
Oogenera
Preprismatoolithus Prismatoolithus Protoceratopsidovum Sankofa[1] Spheruprismatoolithus[2] Trigonoolithus[3]

References

1. N. López-Martínez and E. Vicens. 2012. A new peculiar dinosaur egg, Sankofa pyrenaica oogen. nov. oosp. nov. from the Upper Cretaceous coastal deposits of the Aren Formation, South-Central Pyrenees, Lleida, Catalonia, Spin. Palaeontology 55(2):325-339
2. E. S. Bray. 1999. Eggs and eggshell from the Upper Cretaceous North Horn Formation, central Utah. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:361-375
3. Moreno-Azanza, M.; Canudo, J.I.; Gasca, J.M. (2014). "Unusual theropod eggshells from the Early Cretaceous Blesa Formation of the Iberian Range, Spain" (PDF). Acta Palaeontologica Polonica. 59 (4): 843–854.
4. Konstantin E. Mikhailov, Emily S. Bray & Karl E. Hirsch (1996). "Parataxonomy of fossil egg remains (Veterovata): basic principles and applications". Journal of Vertebrate Paleontology. 16 (4): 763–769. doi:10.1080/02724634.1996.10011364. JSTOR 4523773.