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. 12, fig. 13, SW Pacific, late Pliocene
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. 12, fig. 14. SW Pacific, late Pliocene