Oogenus: Testudoolithus HIRSCH, 1996
Etymology: Latin, testudo, "turtle" and Greek, oo, "egg" and Greek, lithus, "rock or stone."
= Haininchelys SCHLEICH, KÄSTLE, & GROESSENS-VAN DYCK, 1988
Etymology:
= Tiantaioolithus FANG, LIWU, YANGEN & LIANGFENG, 2003
Etymology:

Oospecies: curiosa (SCHLEICH, KÄSTLE, & GROESSENS-VAN DYCK, 1988) CHOI, KIM, PAIK, PARK, JUNG & XU, 2023
= Haininchelys curiosa SCHLEICH, KÄSTLE, & GROESSENS-VAN DYCK, 1988
Etymology:

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Referred material:

= Testudooilthus aff. curiosa CHOI, KIM, PAIK, PARK, JUNG & XU, 2023

Localitiy: Northwest outskirsts of Jinju City, South Gyeongsang Province, South Korea.

Horizon: Uppermost Hasandong Formation.

Biostratigraphy:

Age: Aptian-Albian Stage, Middle Gallic Subepoch, Late Early Cretaceous Epoch, Late Early Cretaceous.

Material:

PKNU GH14-E: A clutch containing at least 20 eggs.

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Oospecies: magnirigidus ZELENITSKY, 1995 (nomen nudum)
Etymology:

Holotype: RTMP 94.16.1

Locality: Wann's Hill Locality, southern Alberta Province, Canada.

Horizon: Oldman Formation, Judith River Group.

Biostratigraphy:

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

Material: Eggshell fragments.

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Oospecies: hirschi KOHRING, 1999
Etymology: In honor of Dr. Karl F. Hirsch.

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Oospecies: jiangi (FANG, LIWU, YANGEN & LIANGFENG, 2003) JACKSON, JIN, VARRICCHIO, AZUMA & JIANG, 2008
= Tiantaioolithus jiangi FANG, LIWU, YANGEN & LIANGFENG, 2003
Etymology:

Holotype: ZMNH M8713

Locality: From a construction site near the village of Shuantang, Tiantai Basin, Zhejiang Province, China.

Horizon: Liangtoutang Formation.

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Late Early Cretaceous.

Material: A cluster of 23 in situ eggs.

Referred material:

JACKSON, JIN, VARRICCHIO, AZUMA & JIANG, 2008

Locality: From an Orange Field locality near the village of Shuangtang, Zhejiang Province, China.

Horizon: Chichengshan Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

TM 006: Egg.