Genus: Atopodentatus CHENG, CHEN, SHANG & WU, 2014
Etymology: Latin, Atopo-, for its peculiar dentation, and Latin, dentatus, "teeth."

Species: unicus CHENG, CHEN, SHANG & WU, 2014
Etymology: Latin, unicus, for its unique morphology.

Holotype: WIBM SPC V 1107

Locality: Near Daaozi (Dawazi) village, Luoping County, Yunnan Province, China.

Horizon: Guanling Formation, Member II.

Biostratigraphy:

Age: Pelsonian, Anisian Stage, Lower Mid Triassic Epoch, Lower Middle Traissic.

Material: Skull and complete skeleton.

Referred material:

LI, RIEPPEL, CHENG, & FRASER, 2016

IVPP V20291: Dorsal view of skull and first four cervical vertebrae including atlas/axis complex.

IVPP 20292: Ventral veiw of skull and first five cervical vertebrae.