Rissoina krebsii is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae. Distribution This species occurs in the Gulf of Mexico off Cuba. Description The maximum recorded shell length is 4.5 mm. Habitat Minimum recorded depth is 0 m. Maximum recorded depth is 45 m. References Mörch O.A.L. (1876). Synopsis molluscorum marinorum Indiarum occidentalium imprimis insularum danicarum. Malakozoologische Blätter, 23: 45-58, 87-143 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. Rissoinidae Gastropods described in 1876