Dear all: I needed to know the geographical distribution of the following species: Alvania minuta (Golikov & Fedjakov in Scarlato, 1987 Alvania stenolopha Bouchet & Warén, 1993 Crisilla spadix (Watson, 1897) Pusillina ehrenbergi (Philippi, 1844) Rissoa alleryi (Nordsieck, 1972) Rissoa janusi (Nordsieck, 1972) Rissoa multicostata (Nordsieck & Talavera, 1979) Rissoa pseudoguerini (Nordsieck & Talavera, 1979) Rissoina spirata (Sowerby, 1825) Setia valvatoides (Milaschewitsch, 1909) Zebina tridentata Michaud, 1836 With very best wishes, I thank you all for your help. Sergio ================================= Sergio Avila, MSc. Marine Biology Section Department of Biology University of the Azores 9500 Ponta Delgada São Miguel Island Azores PORTUGAL =================================