Preprismatoolithus

Preprismatoolithus; Temporal range: Late Jurassic PreꞒ Ꞓ O S D C P T J K Pg N
Egg fossil classification
Basic shell type:	†Dinosauroid-prismatic
Oofamily:	†Prismatoolithidae
Oogenus:	†Preprismatoolithus; Zelenitsky & Hills, 1996

Preprismatoolithus is a

hypsilophodontid" dinosaurs, although a lack of associated embryo material currently makes confirming the egg-layer's identity impossible,^[1] but now is known to be theropod after the finding in Portugal,^[3]

associated with the embryos.

Eggshell present in great abundance at the so-called "Young Egg Locality" which seems to have been a dinosaur nesting ground.[1] Congeneric eggshell fossils are found at additional Colorado sites including the Fruita Paleontological Area, the Uravan Locality and Garden Park.^[1]

Footnotes

^ ^a ^b ^c ^d "Another Generation: The Eggs," Foster (2007) page 239.
^ "Eggs," Foster (2007) page 125.
^ Ribeiro, V., Mateus O., Holwerda F., Araújo R., & Castanhinha R. (2013). Two new theropod egg sites from the Late Jurassic Lourinhã Formation, Portugal. Historical Biology. (ahead-of-print), 1-12.

References

Foster, J. (2007). Jurassic West: The Dinosaurs of the Morrison Formation and Their World. Indiana University Press. 389pp.
ISBN 978-0-253-34870-8
.

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[foster-eggs-239-1] "Another Generation: The Eggs," Foster (2007) page 239.

[foster-eggs-125-2] "Eggs," Foster (2007) page 125.

[3] Ribeiro, V., Mateus O., Holwerda F., Araújo R., & Castanhinha R. (2013). Two new theropod egg sites from the Late Jurassic Lourinhã Formation, Portugal. Historical Biology. (ahead-of-print), 1-12.

[1]

[3]

See also

Footnotes

References