Species: youngi DONG, 1980
Etymology: In honor of C. C. Young.

Holotype: IVPP V 5869

Locality: Tuanbaopo, Gaoqiao, Zhitang, Chongqing Municipality, Bishan County, Sichuan Province, China.

Horizon: Dongyuemiao Member, Ziliujing Formation.

Biostratigraphy:

Age: Toarcian Stage, Upper Lias Epoch, Early Jurassic.

Material: 17 cervicals, 19 dorsals, 3 sacrals and 26 caudal-cervical ribs, coracoid, humerus, pelvis and almost complete hind limb.

Note: Found in freshwater.

Note: Lagoonal or close inshore deposits.
Note: WANG, 2003 places this genus into Pliosauridae (possibly incertae sedis).

Referred material:

REN, MA, WANG & XU, 2024

Locality: Huashigou Locality, Eastern marign of the Sichuan Basin, Northern Chongqing Municapality, China.

Horizon: Yuzhou Biota.

Biostratigraphy:

Age: Sinemurian Stage, Lias Epoch, Early Jurassic..

Material:

SSGT T035: Fragmentary skull.

SSGT C078: Fragmentary remains.

SSGT JHSY60: Fragmenary remains.

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Species: zigongensis GAO, YE & JIANG, 2004
Etymology: In reference to Zigong County, Sichuan Province, China, where the speicmen was found.

Holotype: ZDM 0185

Locality: Sixth Team of Pengshi, Yongan, Zigong, Zigong County, Sichuan Province, China.

Horizon: Xaishaximiao (Shaximiao) Formation.

Biostratigraphy:

Age: Bathonian-Callovian Stage, Middle-Upper Dogger Epoch, Middle Jurassic.

Material: 22 articulated dorsal and sacral vertebrae, fragmentary ribs, ilium, ilia, left ischium, left pubis, left femur, left tibia, left fibula, left carpals, left metatarsals, and left phalanges.