How many movies have Alfredo Salazar and Jesús "Murciélago" Velázquez collaborated on?

They have worked on 7 movies together! Their first movie together was The Aztec Mummy (1957) while their highest rated movie together was The Island of the Dinosaurs (1967). They have not worked together since The Island of the Dinosaurs (1967). They are most known for their horror films together.