Radiacmea inconspicua is a species of small sea snail or true limpet, a marine gastropod mollusc in the family Lottiidae, one of the true limpet families.
References
Powell A. W. B., William Collins Publishers Ltd, Auckland 1979 Bruce A. Marshall, Molluscan and brachiopod taxa introduced by F. W. Hutton in The New Zealand journal of science; Journal of the Royal Society of New Zealand, Volume 25, Issue 4, 1995