Northland, Cavalli Islands, 2.5 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.
Sidebottom H. 1912. Lagenae of the South-West Pacific Ocean. From soundings taken by H.M.S. Waterwitch, 1895. Journal of the Quekett Microscopical Club (2) 11 (70): 375-434 , available online at http://www.biodiversitylibrary.org/item/15550#page/5/ page(s): p. 401 pl. 17 fig. 10