Genus: Chengyuchelys YOUNG & CHOW, 1953
Etymology: Chengyu- for the locality of the first specimens found near the Chengyu Railway (a major railway connecting Chengdu in Sichuan Province and the Chongqing Provincial Municipality, Sichuan (Szechwan) Province, China), and Greek, chelys, "turtle."

Species: baenoides YOUNG & CHOW, 1953
Etymology: Referes to the North American stem Tettudines clade Baenidae Cope, 1882, to which this species was originally assigned, and Latin, oides, 'like, resembles'.

Holotype: IVPP V708

Locality: Uncertain locality along the Chendu-Chongqing railway, Sichuan Basin, Sichuan (Szechwan) Province, China.

Horizon:

Biostratigraphy:

Age: Late Jurassic?

Material: A partially complete carapace and plastron.

Paratype: IVPP V 710: A fractured plasteron.

Referred material:

Locality: Dashanpu (Dashanpu Dinosaur Quarry), lat. 29°5’N, long. 104°50’E, situated 11 km east of Zigong City, 250 km south of Chengdu, Hechuan County, Sichuan Basin, Sichuan (Szechwan) Province, China.

Horizon: Xaishaximiao (Shaximiao) Formation.

Biostratigraphy:

Age: Bathonian-Callovian Stage (DONG & TANG, 1984), Middle-Upper Dogger Epoch, Middle Jurassic.
Note: Bajocian (CHEN et al. 1982), Lower Middle Dogger Epoch, Middle Jurassic.

Material:

IVPP 6507: Anterior 1/3 shell and an isolated buttress which is very wide and stout.

IVPP 8805: Carapace connected to a plastron.

ZDM 3003: A carapace connected with its plastron.

ZDM 3007 (field number ZDM1): Plastron connected with broken bones of a right bridge and peripherals.

ZDM 3008 (field number ZDM3): Middle and posterior parts of a plastron.

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Species: latimarginalis (YOUNG & CHAO, 1953) TONG, DANILOV, YE, OUYANG & PENG, 2012
Etymology:
= Plesiochelys latimarginatus YOUNG & CHAO, 1953
= Xingjiangchelys latimarginalis (YOUNG & CHAO, 1953)

Holotype: IVPP V 705

Locality: Congqing, Sichuan Province, China.

Horizon:

Biostratigraphy:

Age: Late Jurassic.

Material: A nearly complete carapace connected with plasteron.

Referred material:

= Xinjiangchelys cf. latimarginatus YEH, 1994

Locality: Shapngba, Chongqing, Sichuan (Szechwan) Province, China.

Horizon:

Biostratigraphy:

Age: Late Jurassic.

Material:

IVPP V995: A damaged carapace and a nearly complete plastron.

 

= Xinjiangchelys cf. latimarginatus NESOV, 1984

Locality: Tashkumyr locality, northern Ferghana, Kirghizia (Kyrgyzstan).

Horizon: Balabansay Formation.

Biostratigraphy:

Age: Callovanian Stage, Upper Dogger Epoch, Late Jurassic.

Material:

Number: Not given:

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Species: radiplicatus (YOUNG & CHOW, 1953) TONG, DANILOV, YE, OUYANG & PENG, 2012
Etymology:
= Plesiochelys radiplicatus YOUNG & CHOW, 1953
= Xingjiangchelys radiplicatus (YOUNG & CHOW, 1953)

Holotype: IVPP V 707

Locality: Uncertiain locality, Sichuan Basin, Hechuan County, Sichuan (Szechwan) Province, China.

Horizon: Upper Shaximiao (Shangshaximiao) Formation.

Biostratigraphy:

Age: Callovanian Stage, Upper Dogger Epoch, Late Jurassic.

Material: A greater portion of carapace and plastron.

Referred material:

Locality: Yongjia, Daan, Dainian District, Zigong, Sichuan (Szechwan) Province, China.

Horizon: Shagshaximiao Formation.

Biostratigraphy:

Age: Late Jurassic.

Material:

Zigong Dinosaur Museum, ZK0013: Incomplete shell of a juvenile.

 

MAISCH & MATZKE, 2014

Locality: Liuhonggou section near the Toutunhe River, South-west of Urumchi, southern Junggar Basin, Xinjiang Uygu Autonomous Region, China.

Horizon: Lowermost Qigu Formation.

Biostratigraphy:

Age: Oxfordian Stage, Malm Epoch, Late Jurassic.

Material:

SGP 2001/34: Incomplete posterior half of a plastron, 5 fragmentary costals and 3 articulated peripherals.

 

= Xinjiangchelys cf. radiplicatus MAISCH, MATZKE, PFRETZSCHNER, SUN, STOHR & GROSSMANN, 2003

Locality: Haojiagou section, east of the Toutuhne River, Xinjiang Uygur Zizhiqu (Sinkinag) Province, China.

Horizon: Toutuhne Formation.

Biostratigraphy:

Age: Middle Jurassic.

Material:

Number: Not given: Incomplete carapax and plastron, several isolated pleural plates and probably additional shell elements.

 

NESOV, 1984

Locality: Tashkumyr locality, northern Ferghana, Kirghizia (Kyrgyzstan).

Horizon: Balabansay Formation.

Biostratigraphy:

Age: Callovanian Stage, Upper Dogger Epoch, Late Jurassic.

Material:

Number: Not given:

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