|Location||Mexico - Central America|
Huehuecanauhtlus is a genus of hadrosauroid dinosaur known from the Late Cretaceous; specifically the Santonian stage; of Michoacán, western Mexico.
It contains a single species, Huehuecanauhtlus tiquichensis.
Huehuecanauhtlus is known only from two individuals. The holotype IGM 6253 represented by fragmentary skull; specifically partial left maxilla and dentary fragment and postcranial skeleton.
Both specimens were collected at the Barranca Los Bonetes locality in Tuzantla, Michoacán. The holotype came from the sixth fossiliferous spot, whereas the paratype came from the third spot, of an unnamed formation, dating to the Santonian stage of the Late Cretaceous period, about 85.8 to 83.5 million years ago