Species: kuani YOUNG, 1959
Etymology: Named in honor of Kuan Yao Wu, who was surveying the middle reaches of the Chialing River of the Sichuan basin in 1957.

Holotype: IVPP AS V2300

Locality: Taipingtsai, Quixan, Yunghsing, Chuhsien, Sichuan (Szechwan) Province, China.

Horizon: Upper Shangshaximiao Formation, Chunkign Group.

Biostratigraphy:

Age: Oxfordian Stage, Lower Malm Epoch, Early Late Jurassic.

Material: 6 vertebrae, 3 cervicals, 4 dorsals, incomplete left scapula, right scapula, 2 coracoids, 2 humeri, right radius, distal portion of right ischium, left femur, metatarsal III, fragments of limb bones and a dermal plate.

Paratype:

Locality: From a location 100 m west of type quarry, Taipingtsai, Quixan, Yunghsing, Chuhsien, Sichuan (Szechwan) Province, China.

Horizon: Upper Shangshaximiao Formation, Chunkign Group.

Biostratigraphy:

Age: Oxfordian Stage, Lower Malm Epoch, Early Late Jurassic.

Material:

CV 203: 2 fragmentary cervical vertebrae, 6 incomplete dorsal vertebrae, 5 caudal vertebrae lacking their spines, a postacetabular process of a left ilium, and left femur.

Referred material:

DONG, 1990

CV 202: A fragmentary skull and lower jaws, 3 cervical, 4 dorsal and 4 caudal vertebrae, ulna, radius, tibia, fibula, astragalus and calcaneum, a parital humerus, and 4 dermal plates.

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Species: guangyuanensis (listed in LI & CAI, 1998) (nomen nudum)
Etymology :

Holotype:

Locality: Hexi, Guangyuan, China.

Horizon: Upper Shangshaximiao Formation.

Biostratigraphy:

Age: Oxfordian Stage, Lower Malm Epoch, Early Late Jurassic.

Material: