Polystira formosissima is a species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids. References
External links Todd J.A. & Rawlings T.A. (2014). A review of the Polystira clade — the Neotropic’s largest marine gastropod radiation (Neogastropoda: Conoidea: Turridae sensu stricto). Zootaxa. 3884(5): 445-491