Argalista umbilicata is a species of small sea snail with calcareous opercula, a marine gastropod mollusk in the family Colloniidae.
Description
The height of the shell attains 1.9 mm, its diameter 2.75 mm.
Distribution
This marine species is endemic to New Zealand and occurs off South Island and Chatham Rise.
References
- Powell, A. W. B. (1926). Mollusca from 100 fathoms off Lyttelton, with descriptions of four new species, and also a new Pliocene fossil. Scientific Results of the New Zealand Government Trawling Expedition, 1907. Records of the Canterbury Museum. 3: 43âÂÂ50.
- Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland
- Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. Pp 196-219. in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch