Thompson, M. L. (1951). New genera of fusulinid foraminifera. Contributions from the Cushman Foundation for Foraminiferal Research. 2: 115-119., available online at (https://cushmanfoundation.allenpress.com/portals/_default/files/pubarchive/CCFFR/02ccffr4.pdf) page(s): p. 116 pl. 13 figs. 1 (holotype)-12
