Oogenus: Dendroolithus ZHAO & LI, 1988
Etymology:

Oospecies: wangdianensis ZHAO & LI, 1988
Etymology:

Holotype:

Locality: Wangdian village, Heshui, Anlu County, Hubei Province, China.

Horizon: Gong-An-Zhai Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: 6 eggs.

Referred material:

?Dendroolithus MIKHALOV, 1991

Locality: Shiljust-Ula, Gobi Desert, Mongolia.

Horizon: Barun Goyot equivalent.

Biostratigraphy:

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

Material:

PIN uncatalogued: 1 clutch of eggs, one whole egg and numerous eggshell fragments.

 


SABATH, 1991

Locality: Khulsan, Nemegt basin, Ömnögov (South Gobi), Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material:

ZPAL MgOv-I/16: Half of an eggshell and some shell debris with ?faint traces of embryonic bones on the inner side.

 

 


Locality: Hermiin Tsav II (Khermeen Tsav II), western Ömnögov (South Gobi), Mongolia.

Horizon: Red beds.

Biostratigraphy:

Age: Late Cretaceous.

Material:

ZPAL MgOv-III/17, 18, 19: Numerous pieces of eggshells.

 

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Oospecies: verrucarius MIKHAILOV, 1994
Etymology: Latin, verruccarius, “Warty”.

Holotype: PIN No. 3142-454

Locality: Hermiin Tsav (Khermeen Tsav), western Ömnögov (South Gobi), Mongolia.

Horizon: ?Barun Goyot Formation.

Biostratigraphy:

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

Material: Broken egg (Large fragments).

Referred material:

PIN No. 3142-466: Broken egg.

PIN No. 3142-451, -450: Numerous eggshells.

 

 

Locality: Khulsan, Nemegt basin, Ömnögov (South Gobi), Mongolia.

Horizon: ??Uppermost part of Barun-Goyot Formation or Lowermost part of Nemegt Formation.

Biostratigraphy:

Age: Middle –Late Campanian Stage, Senonian Subepoch, Gulf Epoch or Lower Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

PIN No. 4478-3, -9, etc: Eggshell fragments.

 


Locality: Ikh-Shunkhut, Mongolia.

Horizon: ??Uppermost part of Barun-Goyot Formation or Lowermost part of Nemegt Formation.

Biostratigraphy:

Age: Middle –Late Campanian Stage, Senonian Subepoch, Gulf Epoch or Lower Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

PIN No. 4477-4: Eggshell fragments.

 


Locality: Tsagan-Khushu, Mongolia.

Horizon: ??Uppermost part of Barun-Goyot Formation or Lowermost part of Nemegt Formation.

Biostratigraphy:

Age: Middle –Late Campanian Stage, Senonian Subepoch, Gulf Epoch or Lower Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

PIN No. 522-400: Fragmentary eggshells.

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Oospecies: microporosus MIKHAILOV, 1994
Etymology: Latin, microporosus, with small pores.

Holotype: PIN 4476-1

Locality: Shilyust-Ula locality (red beds) at Borzongiyn-Gobi, Mongolia.

Horizon: ?Barun Goyot Formation.

Biostratigraphy:

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

Material: Complete egg.

Referred material:

PIN 4476-2: Numerous eggshell fragments from other eggs of same clutch as type.

 

 

Locality: Khulsan, Nemegt basin, Ömnögov (South Gobi), Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material:

PIN No. 4478-8: Shell fragments.

 

 

Locality: Hermiin Tsav (Khermeen Tsav), western Ömnögov (South Gobi), Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material:

PIN No. 3142-448: Shell fragments.

 

 

Locality: Gil’bent, Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material:

Number: Not given: Shell fragments.

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Oospecies: xichuanensis ZHAO & ZHAO, 1998
Etymology: Xichuan, in reference to the locality where the fossil eggs were collected.

Holotype: IVPP V 11570; Field no. 7708

Locality: Zhaojigou, Dashiqiao, Xichuan, China.

Horizon: Gaogou Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: 21 eggshell fragments.

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Oospecies: furcatus XIAOSI, LIWU, CHENG, ZOU, PANG, QANG, CHEN, ZHEN, WANG, LIU, XIE & JIN, 1998
Etymology: Greek, furcatus, “forked’: Reflecting the multi-branched mammillae

Holotype: Slice no. 1-24/93084

Locality: Zhangtang of Yangcheng, Xixia County, China.

Horizon: Zoumagang Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: Eggs and eggshells.

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Oospecies: dendriticus XIAOSI, LIWU, CHENG, ZOU, PANG, QANG, CHEN, ZHEN, WANG, LIU, XIE & JIN, 1998
Etymology: Greek, dendritic, “tree-branc-like”: Representing the branching of the eggshell microstructure.

Holotype: Slice no. 2-12/95XP-F-1

Locality: Xiping, Xixia County, China.

Horizon: Zoumagang Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: Eggs and eggshells.

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Oospecies: sanlimiaoensis XIAOSI, LIWU, CHENG, ZOU, PANG, QANG, CHEN, ZHEN, WANG, LIU, XIE & JIN, 1998
Etymology: In reference to Sanlimiao, the locality of the fossil.

Holotype: Slice no. 1-82/95SLM-F-1

Locality: Sanlimiao of Yangcheng, Xixia County, China.

Horizon: Zhaoying Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: Eggs and eggshells.

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Oospecies: zhaoyingensis XIAOSI, LIWU, CHENG, ZOU, PANG, QANG, CHEN, ZHEN, WANG, LIU, XIE & JIN, 1998
Etymology: In reference to where the specimens were found, Zhaoying.

Holotype: Slice no. 1-1/93002-1

Locality: Zhaoying, Xixia County, China.

Horizon: Zhaoying Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: Eggs and eggshells.

1998

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Oospecies: hongzhaiziensis 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: tumiaolingensis 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: fengguangcunensis FANG, ZHANG, ZHANG, LU, HAN & LI, 2005
Etymology:

Holotype:

Locality: Heyuan Basin, east central Guangdonb Province, China.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: