Genus: Hangaiemys SUKHANOV & NARMANDAKH, 1974
Etymology:

Species: kansuensis (BOHLIN, 1953)
Etymology: In reference to Kansus, (Gansu) Province, China.
= Osteopygis kansuensis BOHLIN, 1953

Holotype:

Locality: Ta-ts ao-t'an, Chia-yu-Kuan Badlands, Gansu Province, China.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: Fragmentary perepherals.

Referred material:

Fragmentary peripherals, costals, vertebral plate plastron of several individuals.

BAKHURINA & UNWIN, 1995

JSMPE (MMNH)

Locality: 60 km south west of Choir, in the Middle Gobi Aimag Hüren Dukh (Khuren Dukh), Dundgov Aimak (Middle Gobi), Southeastern Mongolia

Horizon: Dzun-Bayin Formation, Huhteeg Gorizont, Zuubayan Svita.

Biostratigraphy:

Age: Aptian/Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.
Note: Large lake deposit.

Material:

 

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Species: hoburensis SUKHANOV & NARMANDAKH, 1974
Etymology: In reference to the Hobur locality, Mongolia.

Holotype: 3334-1

Locality: Habur locality, Mongolia.

Horizon:

Biostratigraphy:

Age: Early Cretaceous.

Material: Fragmentary shell and fragmentary plastron.

Referred material:

3334-4: Skull.

3334-5: Fragmentary shell.

3334-7:

3334-8-15:

3334-16: Fragmentary shell.

3334-17-3334-158: