Genus: Diandongosuchus LI, WU, ZHAO, SATO & WANG, 2012
Etymology: The generic name is derived from 'Diandong,' indicating the easternmost part of Yunnan Province where the specimen was collected, and Greek, suchos, 'crocodile.'

Species: fuyuanensis LI, WU, ZHAO, SATO & WANG, 2012
Etymology: In reference to Fuyuan County, Yunnan Province, China, where the holotype specimen was excavated.

Holotype: ZMNH M8770

Locality: West of Huangnihe River, southeast Fuyuan County, Yunnan Province, China.

Horizon: Zhuganpo Member, Falang Formation.

Biostratigraphy:

Age: Ladinian Stage, Upper Mid Triassic, Upper Middle Triassic.

Material: Skull and skeleton.

Note: Marine Deposit.