GASCA, CANUDO & MORENO-AZANZA, 2007
Locality: Miravete de la Sierra, SE Teruel Province, Northeast Spain.
Horizon: El Castella Formation.
Biostratigraphy:
Age: Late Hauterivian Stage, Neocomian Subepoch- Barremian Stage, Lower Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.
Material:
Number: Not given:
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JACKSON & VARRICCHIO, 2010
Locality: First Find Micorsite (OTM 99-19), Sevenmile Hill outcrops, Teton County, Montana.
Horizon: Two Medicine Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
ES 147: Eggshell fragment.
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JACKSON & VARRICCHIO, 2016
Locality: VMNH locality L-91, Garfield County, Montana.
Horizon: Hell Creek Formation
Biostratigraphy:
Age: Lancian Age, Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.
Material:
VMNH 120426/ES225: Eggshell fragment.
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ZELENITSKY & SLOBODA, 2005
Locality: Bonebed BB031, Dinosaur Provincal Park, Newell County, Alberta Province, Canada.
Horizon: Dinosaur Park Formation, upper Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material:
RTMP 2004.31.7: Eggshell fragments.
Locality: Bonebed BB104, Dinosaur Provincal Park, Newell County, Alberta Province, Canada.
Horizon: Dinosaur Park Formation, upper Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Eggshell fragments.
Locality: Bonebed BB105, Dinosaur Provincal Park, Newell County, Alberta Province, Canada.
Horizon: Oldman Formation, middle Judith River Group.
Biostratigraphy:
Age: Judithian age, Middle Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material: