Species: somnii LI, WU, ZHAO,
NESBITT, STOCKE,R & WANG, 2016
Etymology: Latin, somnium, "dream"; in reference to a dream of the first author (Li) had the day he searched for a name for the animal, in which he saw an archosauriform wandering on the beach.
Holotype: IVVP V16878
Locality: Jiyangshan, west of Huangnihe River, southeast Fuyuan County, Yunnan Province, Southern China.
Horizon: Zhuganpo Member, Falang Formation.
Age: Ladinian Stage, Upper Mid Triassic Epoch, Middle Triassic.
Material: Nearly complete skull and skeleton.