Vachard, D.; Haig, D. W.; Mory, A. J. (2014). Lower Carboniferous (middle Visean) foraminifers and algae from an interior sea, Southern Carnarvon Basin, Australia. Geobios. 47(1-2): 57-74., available online at (https://doi.org/10.1016/j.geobios.2013.10.005) page(s): p. 71, figs. 10-11 (holotype fig. 11(1)). courtesy of Daniel Vachard.
