Benthonella tenella is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae. Distribution This species occurs in the Atlantic Ocean off Southeast Brazil. Description The maximum recorded shell length is 9 mm. Habitat Minimum recorded depth is 10 m. Maximum recorded depth is 5500 m. References Lozouet, P., 2014 Occurrence of Benthonella Dall 1889 in the Cenozoic (Paleogene) of France: a present-day abyssal and bathyal mollusc (Gastropoda: Caenogastropoda: Rissoidae). Archiv für Molluskenkunde, 143(1): 21-32, 8 figures. External links Serge GOFAS, Ángel A. LUQUE, Joan Daniel OLIVER,José TEMPLADO & Alberto SERRA (2021) - The Mollusca of Galicia Bank (NE Atlantic Ocean); European Journal of Taxonomy 785: 1–114 Rissoidae Gastropods described in 1869