Antarctospira badenpowelliAntarctospira badenpowelli is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.DescriptionThe length of the shell varies between 7 mm and 20 mm.DistributionThis species occurs off the Beauchene Island, Falkland Islands, in the South Atlantic Ocean; in the McMurdo Sound, Ross Sea, Antarctica