Genus: Wuguia MATZKE, MAISCH, PFRETZSCHER, SUN & STOHR, 2004
Etymology: Chinese, wugui, "turtle."

Species: hutubeiensis MATZKE, MAISCH, PFRETZSCHER, SUN & STOHR, 2004
Etymology: In reference to the Hutubei Formation.

Holotype: SGP 2001/006

Locality: Haojiagou section east of the Toutunhe river, south-west of Urumchi, southern Junggar Basin, Xinjiang Uygur Zizhiqu (Sinkinag) Province, China.

Horizon: Lowermost Hutubei Formation, Tugulu Group.

Biostratigraphy:

Age: Upper Hauterivian, Uppermost Neocomian Subepoch-Lower Barremian, Lowermost Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: A partial skeleton with carapace and plastron preserved as natural impressions on 3 slabs.

Referred material:

MATZKE & MAISCH, 2004

SGP/2001/7: A nearly complete carapace in dorsal view: Slab oen bears teh impression of most of the dorsal surface with the nuchal and pygal regions. The dorsal view of the carapace is also preserved on slab two, where, unusually for this locality, most of the original bone is preserved, including the pygal region.

SGP/2001/7: A partial skeleton with the anterior two thirds of the carapace in dorsal and ventral view (slabs one and two) and most of the plastron in ventral and partially in dorsal view (slabs three and four).

SGP/2001/10: A partially preserved carapce in dorsal view with the right half of the nuchal area preserved.

SGP/2001/11: Only the pygal area is preserved on two slabs containing the dorsal and ventral views.

SGP/2001/12: Only the pygal area i spreserved on two slabs containing the dorsal and ventral view.

SGP/2001/12: Only the nuchal area is preserved in dorsal view.

SGP/2001/14, 15: These two specimens are preserved on one large slab. SGP/2001/14: The right anterior quarter of the carpace in ventral view with the right half of the nuchal region is preserved, together with the partial left hypoplastron in ventral view.SGP/2001/15: The posterior half of the carapce in ventral view, including pygal area.

SGP/2001/17: An isolated entoplastron in ventral view.

SGP/2001/18: Partially preserved pygal region in ventral view.

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Species: efremovi (KHOZATSKY, 1996) DANILOV & SUKHANOV, 2006
= ?Sinemys efremovi KHOZATSKY, 1996
Etymology:

Holotype: PIN 5114-1a-c

Locality: Near the Toutunhe (= Tukhun-Kho) River, southern Junggar Basin, Xinjiang Uygur Zizhiqu (Sinkinag) Province, China.

Horizon:Hutubei Formation, Tugulu Group.

Biostratigraphy:

Age: Upper Hauterivian, Uppermost Neocomian Subepoch-Lower Barremian, Lowermost Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: 3 pieces of a shell.

Breakdown as follows.

PIN 5114-1a: Imprint of the dorsal surface of a shell.

PIN 5114-1b: Internal core of the shell.

PIN 5114-1c: Imprint of the ventral surface of a shell.

Paratype:

PIN 5114-2: Anterior part of a carapace.

Referred material:

= Dracochelys wimani MAISCH, MATZKE & SUN, 2003
Etymology: In honor of Prof. Dr. Carl Wiman (1867-1944) from Uppsala University, Sweden, for his important pioneer studies of the fossil reptiles of China.

Holotype: SGP 2001/9

Locality: Liuhonggou, west of Toutunhe River, about 40 km SW of urumchi, SW Junggar Basin, Xinjiang Uygur Autonomous Region, China.

Horizon: Upper Lianmuxin Formaiton, Upper Tugulu Group.

Biostratigraphy:

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

Material : Anterior 2/3rds of shell, including most of carapace up to the 5th pair of costals and the anterior 2/3rds of the plastron, partial fore and hind limbs.