BRAY, 1999
Locality: Lizard Locality, (Locality 3 of Gilmore, 1946), Emery County, Utah.
Horizon: North Horn Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCM 73461, HEC 760: 17 fragments.
UCM 73462, HEC 830-1,2 : 3 fragments.
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HUH & ZELENITSKY, 2002
Locality: Sites 2, 3, and 4, Bosung County, Chullanam-do Province, South Korea.
Horizon:
Biostratigraphy:
Age: Late Cretaceous.
Material:
DRCC-B101, B-16: Partial egg clutchs.
DRCC-B1-3: Isolated eggs.
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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:
Type 1 morphotype
VMNH 120423/ES220, VMNH 120424/ES 221: 2 eggshell fragments.
Locality: Dawson County, Montana.
Horizon: Hell Creek Formation
Biostratigraphy:
Age: Lancian Age, Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.
Material:
Type 2 morphotype
VMNH ES 226: Eggshell fragment.
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MOHABEY & UDHOJI, 2000
Locality: Red clays and sandstones of Pisdura, Dongargaon and Pavna, Chandrapur District, Maharashtra State, India.
Horizon: Lameta Formation.
Biostratigraphy:
Age: Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Large number of eggshell fragments.
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