Arnold. 1909. Bulletin of the United States Geological Survey 396.
Arnold, 1909. Bull. U.S. Geol. Surv. 396: 47, pl. 30, fig. 11.
Arnold, 1909. Bull. U.S. Geol. Surv. 396: 48.
(intro'd as intra-sp. of Gonidea coalingensis Arnold, 1909)
Arnold, 1909. Bull. U.S. Geol. Surv. 396: 47, pl. 30, fig. 10.