Oogenus: Prismatoolithus ZHAO & LI, 1993
Etymology:

Oospecies: gebiensis ZHAO & LI, 1993
Etymology:

Holotype: NMB 4343, Field No. 9002

Locality: The entrance of Bayan Manduhu Road, Bayan Manduhu, Urad Houqi, Inner Mongolia (Nei Mongolia), China.

Horizon: Djadochta Formation.

Biostratigraphy:

Age: Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: A nearly complete nest with 7 eggs.

Referred material:

Field no. 9201: A completely preserved egg.

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Oospecies: tenuis VIANEY-LIAUD & CROCHET, 1993
Etymology:

Holotype: PHM-1

Locality: Pioch Herbaut, near Les Matelles, Languedoc, Herault Department, France.

Horizon:

Biostratigraphy:

Age:?Lower Rognacian, =?Upper Campanian - Early to Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Eggshell fragments.

Referred material:

Locality: Coudoux, Bouches du Rhone Department, France.

Horizon:

Biostratigraphy:

Age: Fuvelian, Early Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Eggshell fragments.

 

 

Locality: La Bastide Blanche, Bouches du Rhone Department, France.

Horizon:

Biostratigraphy:

Age: Fuvelian, Early Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Eggshell fragments.

 


Locality: Puyloubier, Les Pennes Mirabeau, Bouches du Rhone Department, France.

Horizon:

Biostratigraphy:

Age: Rognacian, Early Late Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Eggshell fragments.

 


Locality: Trets, Bouches du Rhone Department, France.

Horizon:

Biostratigraphy:

Age: Rognacian, Early Late Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Eggshell fragments.

 

 

BUFFETAUT, LE LOEUFF, TONG, DUFFAUD, CAVIN, GARCIA, & WARD, 1999

Locality: Massecaps, near Cruzy, Herault Department, Southern France.

Horizon:

Biostratigraphy:

Age: Probably Early Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Eggshells.

 

 

GARCIA, PINCEMAILLE, VIANEY-LIAUD, MARANDAT, LORENZ, CHEYLAN, CAPPETTA, MICHAUX & SUDRE, 1999

Locality: Vitrolles-Couperigne locality, NHM of Aix-en-Province, France.

Horizon:

Biostratigraphy:

Age: Early Rognacian, Early Late Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Eggshells.

 


VIANEY-LIAUD & LOPEZ-MARTINEZ, 1997

Locality: Fontllonga 6, Tremp Basin, Southern Pyrenees, Lleida Province, Spain.

Horizon: Tremp Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

FLL6-16, 18, 19, 60-96: Eggshell fragments.

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Oospecies: matellensis VIANEY-LIAUD & CROCHET, 1993
Etymology:

Holotype: PHM-20

Locality: Pioch Herbaut, near Les Matelles, Herault Department, France.

Horizon:

Biostratigraphy:

Age: Early-Middle Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Eggshell fragments.

Referred material:

= Prismatoolithus n. sp., aff. P. matellensis VIANEY-LIAUD & LOPEZ-MARTINEZ, 1997

Locality: Fontllonga 6, Tremp Basin, Southern Pyrenees, Lleida Province, Spain.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

FLL6-11, 12: 2 thick eggshell fragments.

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Oospecies: levis ZELENITSKY & HILLS, 1996
Etymology:

Holotype: RTMP 94.179.1

Locality: New Egg Site, Devil’s Coulee, Warner County, Southern 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: Partial clutch containing 12 eggs.
Note: Eggshell fragments removed from the eggs are catalogued under RTMP 94.157.7

Referred material:

Locality: Faye Walker’s Coulee, Southern 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:

RTMP 94.157.1, RTMP 94.157.4:

 


Locality: North Baby Butte, Southern 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:

RTMP 94.157.2, RTMP 94.157.8: Eggshell fragments.

 

 

Locality: South Side Microsite, Southern 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:

RTMP 94.157.3: Eggshell fragments.

 

 

Locality: Little Diablo’s Hill, Southern 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:

RTMP 94.157.5: Eggshell fragments.

 

 

Locality: Juvie Camp, Southern 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:

RTMP 94.157.9: Eggshell fragments.

 


HORNER & WEISHAMPEL, 1988

Locality: Egg Mountain site, Willow Creek Anticline, Teton County, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

MOR 246: Clutch of 19 eggs with embryos.

 


HIRSCH & QUINN, 1990

Locality: TM-006, Egg Island, Teton County, Montana.

Horizon: Two Medicine Formation, Late Campanian, Late Cretaceous.

Material:

YPM-PU 22591/HEC 239: A clutch of 10 hatched eggs.

MOR 299/HEC 361: A clutch of 12 unhatched eggs.

MOR 247/HEC 371:A clutch of 6 unhatched eggs.

UCM 58026/HEC 378, UCM 58927/HEC 379: 2 series of loose eggshell fragments.

 


Locality: Bone Hill Locality, TM-012, Teton County, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UCM 58029/HEC 450-2: 23 eggshell fragments with a smooth outer surface.

UCM 58029/HEC 450-6: 31 shell fragments with ridges.

UCM 58029/HEC 450-7: 35 eggshell fragments of nodes.

UCM 58029/HEC 450-2: 23 eggshell fragments with smooth outer surface.

Note: Originally referred to Orodromeus.

 

VARRICHIO & JACKSON, 1995, VARRICHO, JACKSON & TRUEMAN, 1999

Locality: Egg mountain Locality, Teton County, Western Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

MOR 963: A clutch of 24 eggs in a nest in a small bowl like depression.

Note: Orignially referred to Orodromeus.

ZELENITSKY, 2000

YPU-PU 23259: 2 fragmented eggs.

YPM-PU 22585/HEC 372: Clutch of 12 hatched eggs.

MOR 363-7-4-83-1: Clutch of 22 eggs.

 

Oogenus: Prismatoolithus levus VARRICCHO, HORNER & JACKSON, 2002

Locality: Egg Island locality, Teton County, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

MOR 246: Egg clutch with embryos.

MOR 246-1, -5, -7-11, -13, -16-19: Eggs with bones.

MOR 245-2, -4, -6, -12, -14, -15: Eggs.

= cf. Albertavenator curriei WHITEBONE, FUNSTON & CURRIE, 2024

Locality: Felber-Dohy Troodontid site 2 (FTS-2), near the town of Drumheller and Morin, Kneehill County, Alberta Province Canada.

Horizon: Horsethief Member, Horseshoe Canyon Formation (Lower Edmonton Formation), Edmonton Group.

Biostratigraphy:

Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UALVP 57622: 45 eggshell fragments.

 


ZELENITSKY, 2000

Locality: Big Ugly, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

MOR 675: Clutch of 12 eggs.

MOR 676: Clutch of 19 eggs.

VARRICCHIO, HORNER & JACKSON, 2002

MOR 247, 299, 393, 675, 750, 963, 1139: Fragmentary eggs.

 

 

Locality: Devil’s Coulee, Warner County, Southern 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:

RTMP 96.86.1: Unprepared clutch.

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Oospecies: hanshuiensis ZHOU, REN, XU & GUAN, 1998
Etymology:

Holotype:

Locality: Qinglongshan Region, Yunxian County, Hubei Province, China.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: Eggs and eggshells.

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Oospecies: jenseni BRAY, 1999
Etymology: In honor of James Jensen, discoverer of these eggs.

Holotype: BYUVP 9481

Locality: UCM L73464, Sauropod Locality (locality #1, 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: Partial nest containing 3 eggs.

Referred material:

BYU 9481, UCM 73464, HEC 437: Eggshells removed from the holotype eggs.

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Oospecies: hukouensis ZHAO, 1999
Etymology: In reference Hukou village, Nanxiong Basin, Guangdong (Kwangtung) Province, China; where the specimen was found.

Holotype: NXM 9708

Locality: Hukou village, Nanxiong Basin, Guangdong (Kwangtung) Province, China.

Horizon: Pingling Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: A clutch with 6 eggs.
Note: ZHAO, 2000 described the eggs.

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Oospecies: caboti GGARCIA, FEIST, CABOT, VALENTIN & VIANEY-LIAUD, 2000
Etymology:

Holotype: GMA-IB-1

Locality: Neuve, Bouchnes-du-Rhone, Villeveyrac-Meze Basin, Herault Department, France.

Horizon:

Biostratigraphy:

Age: ?Early Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Eggshells.

Referred material:

GMB-IB-2 to 20: Eggshells.

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Oospecies: hirschi JACKSON & VARRICCHIO, 2010
Etymology: In honor of Karl Hirsch, for his many contributions to the study of fossil eggs, particulary from the Two Medicine Formation of Montana.

Holotype: ES 152

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: Eggshell from an egg pole.

Referred material:

Locality: Micorsite 9, 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 181: Eggshell.

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Oospecies: tiantaiensis WANG, ZHAO, WANG & JIANG, 2011
= Elongatoolithus tiantaiensis FANG, WANG & JIANG, 2000

Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Matrial:

Referred material:

WANG, ZHAO, WANG, & JIANG, 2011

Locality: Qiaoxia, Tiantai County, Zhengjiang Province, China.

Horizon: Chichengshan Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

IVPP V 16515.1-2: An incomplete nest composed of 7 dinosaur eggs.

 

Locality: Tiantai Brewery, Tiantai County, Zhengjiang Province, China.

Horizon: Chichengshan Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

TTM1: An incomplete nest composed of 9 dinosaur eggs.

TTM30: 1 fairly complete elongate egg with part of the shapr end missing.

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Oospecies: heyuanensis LÜ, AZUMA, DONG, NODA & LICHENG, 2006 (for 2005)
Etymology: In reference to Heyuan City, where the specimen was found.

Holotype: HYMV-20

Locality: Fengguang Village, Yuannan Town, Yuancheng District, Heyuan City, Guangdong Province, China.

Horizon: Dongyuang Formation.

Biostratigraphy:

Age: Late Cretaceous.

Matrial: An incomlete egg clutch consiting of 3 eggs.