Skinner, J. W.; Wilde, G. L. (1955). New fusulinids from the Permian of West Texas. Journal of Paleontology. 29: 927-940. page(s): p. 935 pl. 91 figs. 7-9, pl. 92 figs. 1-10, pl. 93 fig. 1
Skinner, J. W.; Wilde, G. L. (1955). New fusulinids from the Permian of West Texas. Journal of Paleontology. 29: 927-940. page(s): p. 935 pl. 91 figs. 7-9; fig. 7 Horizontal axial section of holotype.
Skinner, J. W.; Wilde, G. L. (1955). New fusulinids from the Permian of West Texas. Journal of Paleontology. 29: 927-940. page(s): p. 935 pl. 91 figs. 7-9, pl. 92 figs. 1-10, pl. 93 fig. 1
