Description Hayward, B.W., Kawagata, S., Sabaa, A.T., Grenfell, H.R., van Kerckhoven, L., Johnson, K., and Thomas, E., 2012. The last global extinction (Mid-Pleistocene) of deep-sea benthic foraminifera (Chrysalogoniidae, Ellipsoidinidae, Glandulonodosariidae, Plectofrondiculariidae, Pleursostomellidae, Stilostomellidae), their Late Cretaceous-Cenozoic history and taxonomy: Cushman Foundation for Foraminiferal Research Special Publication, v. 43, pl. 23, figs 6-7. North Pacific, late PaleoceneAuthor Hayward, Bruce W.JPG file - 453.94 kB - 880 x 1 772 pixels
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