Mitromorpha formosa is an extinct species of sea snail, a marine gastropod mollusk in the family Mitromorphidae.MolluscaBase (2018). Mitromorpha formosa (Marwick, 1931) †. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=831646 on 2018-04-18
Distribution This extinct species is endemic to New Zealand.
References
Marwick, John. The Tertiary Mollusca of the Gisborne District. Department of Scientific and Industrial Research, Geological Survey Branch, 1931. Maxwell, P.A. (2009). Cenozoic Mollusca. pp. 232–254 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch.