Acera, or the Witches' Dance  

"Visually, the mollusks - what revolting, slimy creatures they are, resembling ugly sexual organs - seem to fall somewhere between a spider and a gob of spittle. Painlevé consistently stresses the hermaphroditic nature of the mollusks; and that hermaphrodite nature is not a class in itself but serves to declassify their sexuality. Furthermore, Painlevé underlines the synesthetic sensorium of the mollusks, which merges touch, taste and smell into a declassified experience."--Surreal Documents[1]

"Painlevé's interest in the acera mollusks in Acera or the Witches' Dance (Acéra ou le bal des sorcières, 1972) seems to have two motivations: one of them obvious and the other more subtle. Of obvious interest is the acera's way of finding a ..."-- Adventures of Perception: Cinema as Exploration (2009) by Scott MacDonald