Voyage to the Planet of Prehistoric Women (1968)

Voyage to the Planet of Prehistoric Women is a 1968 American science fiction film, one of two which were adapted from the 1962 Soviet SF film Planeta Bur (Planet of Storms) for Roger Corman
Directed by Peter Bogdanovich who used the pseudonym, Derek Thomas. With Mamie Van Doren. Astronauts landing on Venus encounter dangerous creatures and almost meet some sexy Venusian women who like to sun-bathe in hip-hugging skin-tight pants and seashell brassieres.