Oogenus: Paraspheroolithus ZHAO, 1979
Etymology: Greek, para, "near" and Spheroolithus.
Note: (= Spheroolithus ZHAO, 1979 as per MIKHAILOV, 1997)

Oospecies: irenensis (CHAO & CHIANG, 1974) ZHAO, 1979
Etymology:
= Spheroolithus irenensis (CHAO & CHIANG, 1974) MIKHAILOV, 1994
= Oolithes spheroides YOUNG, 1954
= Oolithes irenensis CHAO & CHIANG, 1974
= Spheroolithus sp MIKHAILOV, 1991

Holotype: PMRE. 126, IVPP V733

Locality: Laiyang, Shandong (Shantung) Province, China.

Horizon: Wangshi Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: A large part of the impression of one egg and a number of egg fragments in V. 735.

Referred material:

Locality: Hungtuyeh, Laiyang, Shandong (Shantung) Province, China.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

No. 40.095: 4 eggs.

No. 40.116: 6 eggs.

 


Locality: Chiangechialing, Laiyang, Shandong (Shantung) Province, China.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

No. 40.052: 4 broken eggs.

 


CARPENTER & ALF, 1994/CHAO & CHINAG, 1974


Locality: Laiyang, Shandong (Shantung) Province, China.

Horizon: Wangshi Formation.

Biostratigraphy:

Age: Campanian Stage(?), Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Eggs.

 

 

cf. irenensis CARPENTER & ALF, 1994/YOUNG, 1965

Locality: Jiangunmiao, China.

Horizon: Hongshaguan Formation.

Biostratigraphy:

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

Material:

Number: Not given: Nests.

 


DONG, CURRIE & RUSSELL, 1989

Locality: Erenhot, Inner Mongolia (Nei Mongolia), China.

Horizon: Iren Dabasu Formation.

Biostratigraphy:

Age: Cenomanian Stage, Upper Gallic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.

Material:

Number: Not given: Nest.

 


MIKAILOV, 1994

Locality: Sheregiyn-Gashun basin, Gobi, Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy:

Age: Lower Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

PIN 4216-400: Egg clutch.

 


Locality: Gurileen (Guriliyn-Tsav) Tsav, Ömnögov (South Gobi), Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy:

Age: Lower Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

PIN 4216-401: Numerous eggshells.

 

 

Locality: Sheregiyn-Gashun, Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy:

Age: Lower Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

PIN 2970/9: Numerous eggshells.

 


= cf. P. irenensis XUE, ZHANG, BI, YUE & CHEN, 1996

Locality: Intermontane Basins, Eastern part of Qinling, China.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

PIN 2970/9: Many fragments of eggshells.

 


= cf. P. irenensis ZHAO & ZHAO, 1998

Locality: Zhoujiawan, Laocheng, Xichuan, China.

Horizon: Gaogou Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

IVPP V11571: Field no. 7702: 4 eggshell fragments.

 

ZHOU, REN, XI & GUAN, 1998

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

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Eggs and eggshells.


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Species: lamelliformae ZHANG & ZUE, 1999 (in XUE, ZHANG, BI, YUE & CHEN, 1996)
Etymology:

Holotype: KSD27-3

Locality: Intermontane Basins, Eastern part of Qinling, China.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: Many fragments of egg-shells.

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Oospecies: yangchengensis XIAOSI, LIWU, CHENG, ZOU, PANG, QANG, CHEN, ZHEN, WANG, LIU, XIE & JIN, 1998
Etymology: In reference to Yangcheng, Xixia County, Henan Province, China; the locality of the fossil.

Holotype: Slice section No. 1-29/93106

Locality: Zhangtang Village, Yangcheng, Xixia County, Henan Province, China.

Horizon: Upper Zoumagang Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: Eggs and eggshells.

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Oospecies: sanwangbacunensis FANG, ZHANG, ZHANG, LU, HAN & LI, 2005
Etymology:

Holotype:

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

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

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Oospecies: porcarboris van der LINDEN, ZELENITSKY, FRAAIJE, GARCIA, VALENTIN, HOLWEREA & SCHULP, 2024
Etymology: Old French, porcespin, "porcupine" and Latin, arbor, "tree".

Holotype: MAB-1211-=11

Locality: Base of the hill in the northern part of the village of La Geinette, which is located approximately 2 kilometers west-northwest fo Rousset, Aix-en-Province Basin, Aix-en-Province, France.

Horizon Upper 'Argiles et Gres a Reptiles' Formation.

Biostratigraphy:

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

Material: A single well-preserved eggshell fragment.

Paratype:

MAB-12110-12 till MAB012110-258: 246 eggshell fragments.

MAB-12110-0 to MAB012110-10: Thin sections.

UP-BEI -2024-001 to UP-GE!-2024-010: 10 eggshell fragments.