The name "Bashunosaurus kaijiangensis" first appeared in Ouyang's description of Abrosaurus in 1989, although without a description or diagnosis, making it a nomen nudum (i.e. a nickname that is unavailable for use as an actual scientific name).
The name "Bashunosaurus kaijiangensis" initially appeared in Ouyang's description of Abrosaurus in 1989, but without a detailed explanation or classification, rendering it an invalid scientific name.