Rissoina redferni is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae. Distribution This species occurs in the Caribbean Sea and in the Atlantic Ocean off the Bahamas. Description The maximum recorded shell length is 8.5 mm. Habitat Minimum recorded depth is 0 m. Maximum recorded depth is 30 m. References Espinosa J. & Ortea J. (2002) Descripción de cuatro nuevas especies de la familia Rissoinidae (Mollusca: Gastropoda). Avicennia 15: 141-146. page(s): 142 Rissoinidae Gastropods described in 2002