Nitor helmsianus is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicarionidae. This species is endemic to Australia. It grows to about 12 mm in diameter.Australian Land Snails Volume 1, A field guide to eastern Australian species’ J.Stanisic, M.Shea, D. Potter & O. Griffiths. Bioculture Press, Mauritius, 2010
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