Tomopleura clifdenica is an extinct species of sea snail, a marine gastropod mollusk in the family Borsoniidae. Description Distribution This extinct marine species from the Upper Cenozoic was found in New Zealand References Powell, Arthur William Baden. The New Zealand Recent and Fossil Mollusca of the Family Turridae: With General Notes on Turrid Nomenclature and Systematics. No. 2. Unity Press limited, printers, 1942. 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. clifdenica Gastropods of New Zealand Gastropods described in 1942