original description
Cushman, J. A. (1915). A monograph of the Foraminifera of the North Pacific Ocean. Part V. Rotaliidae. <em>Bulletin of the United States National Museum.</em> 71 (5): 1-87., available online at https://www.biodiversitylibrary.org/page/7878948
page(s): p. 6 pl. 2 fig. 4 [details]
From editor or global species database