Alternative combinations: Preprismatoolithus coloradoensis, Prismatoolithus coloradensis
Full reference: K. F. Hirsch. 1994. Upper Jurassic eggshells from the Western Interior of North America. Dinosaur Eggs and Babies, Cambridge University Press, Cambridge 137-150
Belongs to Preprismatoolithus according to D. K. Zelenitsky and L. V. Hills 1996
See also Carpenter 1997, Carpenter 1999, Foster et al. 2016, Hirsch 1994, Hirsch 2001, Moreno-Azanza et al. 2014, Sellés et al. 2014, Wang et al. 2018 and Zhao 2003
Sister taxa: none
Type specimen: MWC 122.3.1/HEC 457, an egg. Its type locality is Young locality, Delta (MWC–122.1), which is in a Kimmeridgian/Tithonian dry floodplain mudstone/sandstone in the Morrison Formation of Colorado.
Ecology:
Distribution:
• Jurassic of United States (7: Colorado, Utah collections)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.