Gu Songzhu, Feng Qinglai and He Weihong. (2007). The Last Permian Deep-Water Fauna: Latest Changhsingian Small Foraminifers from Southwestern Guangxi, South China. Micropaleontology. 53(4): 311-330. page(s): p. 316, pl. 3, fig. 8, pl. 5, figs. 3-4 (holotype pl. 5 fig. 4 a).
