Obesotoma giganteaObesotoma gigantea is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.DescriptionThe length varies between 12 mm and 25 mm. It differs from Obesotoma gigas in a more produced, curved siphonal canal.DistributionThis marine species is found from Eastern Greenland to Severnaya Zemlya, Russia