Species: suni WANG, 1959
Etymology:

Type: GMC 646

Locality: Village of Cold Water Spring, Hsunjian District, Nanzhang County, Hupei Province, China.

Horizon: Member IV, Upper Daye Formation, or Jialingjiang Formation.

Biostratigraphy:

Age: Olenekian, Upper Spathian Stage, Upper Scythian Epoch, Early Triassic

Material: Fragmentary skull and fragmentary skeleton.
Note: Sister group to Ichthyosaurs? CARROLL, 1988, NICHOLLS, BRINKMAN & CALLAWAY, 1999.

Referred material:

CHEN, MOTANI, CHENG, JIANG & RIEPPEL, 2014

Locality: Wuhan, Hubei Province, China.

Horizon: Jialingjiang Formation.

Biostratigraphy:

Age: Spathian Stage, Upper Scythian Epoch, Early Triassic.

Material:

WGSC 26--6: A partial skeleton, lacking most of snouth and tail.