Reptilia - Ornithischia - Prismatoolithidae
Full reference: F. D. Jackson and D. J. Varricchio. 2010. Fossil eggs and eggshell from the lowermost Two Medicine Formation of western Montana, Sevenmile Hill locality. Journal of Vertebrate Paleontology 30(4):1142-1156
Belongs to Prismatoolithus according to F. D. Jackson and D. J. Varricchio 2010
See also Moreno-Azanza et al. 2014, Sellés et al. 2014 and Skutschas et al. 2017
Sister taxa: Prismatoolithus caboti, Prismatoolithus gebiensis, Prismatoolithus hanshuiensis, Prismatoolithus heyuanensis, Prismatoolithus hukouensis, Prismatoolithus ilekensis, Prismatoolithus jenseni, Prismatoolithus levis, Prismatoolithus matellensis, Prismatoolithus tenuis, Prismatoolithus tiantaiensis, Prismatoolithus trempii
Type specimen: ES 152, an egg. Its type locality is First Find Microsite (OTM 99-19), which is in a Campanian terrestrial horizon in the Two Medicine Formation of Montana.
Ecology: ground dwelling herbivore
Distribution:
• Cretaceous of United States (2: Montana collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.