Oospecies: coloradensis (HIRSCH, 1994) ZELENITSKY & HILLS, 1996
= Prismatoolithus coloradensis HIRSCH, 1994
Holotype: MWC 122.3.1/HEC 457
Locality: Young Locality, Delta County, Colorado.
Horizon: Upper Salt Water Wash Member, Morrison Formation.
Biostratigraphy: Zone 2.
Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.
Material: Compressed egg.
MWC 122.2/HEC 418, 489, 532, 462, MWC 122.3/HEC 457, MWC 122.6, MWC 122.8: Four plaster jackets with eggs and eggshells.
MWC 122.1/HEC 418: Thousands of eggshell fragments.
MWC 122.2.3/HEC 418: The largest cast yielded among other eggshell conCenterations.
MWC 122.3/HEC 457: Egg.
MWC 122.2/HEC 418-R2, 532-4: Pathological eggshells.