Maoricolpus finlayiMaoricolpus finlayi is a species of sea snail, a marine gastropod mollusc in the family Turritellidae. It is known to occur only in Spirits Bay, North Island, New Zealand.DescriptionMaoricolpus finlayi have stout shells with concave bases. The shells are pale in colour, and have a smal squarish pattern of dots.DistributionThe species is Endemic to New Zealand. The holotype was collected from Piwhane / Spirits Bay, at the northern end of the Aupouri Peninsula in the Northland Region of New Zealand.