Neoguraleus murdochiNeoguraleus murdochi is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.DescriptionThe length of the shell attains 9 mm, its diameter 3.5 mm.DistributionThis marine species is endemic to New Zealand and occurs throughout New Zealand and at the Steward Island; fossils have been found in Pliocene strata.