Benthonellania acuticostata is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae. Distribution This species occurs in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles. Description The maximum recorded shell length is 3.7 mm. Habitat Minimum recorded depth is 59 m. Maximum recorded depth is 1249 m. References Lozouet P. (1990). Benthonellania, nouveau genre de Rissoidae (Gastropoda, Prosobranchia) du bathyal atlantique. Bulletin du Muséum National d'Histoire Naturelle (section A Zoologie) (4) 12: 313-328 Rosenberg, G., F. Moretzsohn, and E. F. García. 2009. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. External links Rissoidae Gastropods described in 1889