Prismatoolithus

Prismatoolithus; Temporal range: Hauterivian-Maastrichtian; ~130–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Prismatoolithus jenseni eggs from the Wasatch Plateau
Egg fossil classification
Basic shell type:	†Dinosauroid-prismatic
Oofamily:	†Prismatoolithidae
Oogenus:	†Prismatoolithus
Oospecies
	P. caboti; P. gebiensis; P. hanshuiensis; P. heyuanensis; P. hirschi; P. hukouensis; P. ilekensis; P. jenseni; P. levis; P. matellensis; P. tenuis; P. tiantaiensis; P. trempii;

Prismatoolithus is an oogenus of dinosaur egg from the Cretaceous (Hauterivian-Maastrichtian) and possibly also the earliest Paleocene. They likely belonged to troodontids[1][2]

References

Carpenter, K. 1999. Eggs, Nests, and Baby Dinosaurs: A Look at Dinosaur Reproduction (Life of the Past). Indiana University Press, Bloomington, Indiana.
Mateus, I, H Mateus, MT Antunes, O Mateus, P Taquet, V Ribeiro, G Manuppella. 1998. Upper Jurassic theropod dinosaur embryos from Lourinhã (Portugal). Memórias da Academia das Ciências de Lisboa 37, 101-110

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Prismatoolithus Temporal range: Hauterivian-Maastrichtian ~130–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N

Prismatoolithus jenseni eggs from the Wasatch Plateau
Egg fossil classification
Basic shell type:	†Dinosauroid-prismatic
Oofamily:	†Prismatoolithidae
Oogenus:	†Prismatoolithus
Oospecies
P. caboti P. gebiensis P. hanshuiensis P. heyuanensis P. hirschi P. hukouensis P. ilekensis P. jenseni P. levis P. matellensis P. tenuis P. tiantaiensis P. trempii