Heterocithara marwicki is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae.Marshall, B. (2015). Heterocithara marwicki Maxwell, 1988 †. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=831709 on 18 July 2017
Distribution This extinct marine species is endemic to New Zealand.
References
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.