BathysciadiumBathysciadium is a genus of sea snails, deep-sea limpets, marine gastropod mollusks in the family Bathysciadiidae.SpeciesSpecies within the genus Bathysciadium include:Bathysciadium concentricum Dall, 1927Bathysciadium costulatum Bathysciadium pacificum Dall, 1908Bathysciadium rotundum Bathysciadium xylophagum Warén & Carrozzza in Warén, 1997