Nanula flindersiNanula flindersi, common name Flinders top shell, is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Trochidae, the top snailsDescriptionThe height of the shell attains 4 mm.DistributionThis marine species is endemic to Australia and occurs in the shallow subtidal zone and the continental shelf off South Australia, Victoria and Western Australia.