Description Northland, Cavalli Islands, 40 m depth, Plate 7 in Hayward, B.W., Grenfell, H.R., Reid, C.M., Hayward, K.A. 1999. Recent New Zealand shallow-water benthic Foraminifera: Taxonomy, ecologic distribution, biogeography, and use in paleoenvironmental assessment. Institute of Geological and Nuclear Sciences Monograph 21, 258 p.Author Hayward, Bruce W.JPG file - 103.73 kB - 501 x 653 pixelsadded on 2013-09-07218 viewsForaminifera taxaGuttulina (Sigmoidina) silvestrii Cushman & Ozawa, 1930 accepted as Sigmoidella silvestrii (Cushman & Ozawa, 1930)checked Le Coze, François 2017-03-15 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License