Grossouvre, A. 1894. Recherches sur la craie superieure, 2: Paleontologie-Les ammonites de la craie superieure. Mem Serv. Carte Geol. det, France, 264 p., 39 pls.
Hyatt, A. 1900. Cephalopoda. p. 502-592. In: ZIttel, K.A. von. Textbook of Paleontology, 1st English edn. Translated by C.R. Eastman. MacMillan: London & New York.
Hyatt, A. 1903. Pseudoceratites of the Cretaceous. Monogr. U. S. Geol. Surv., 44, 352 p., 47 pls.
Inoma, A. 1980. Mid-Cretaceous ammonites from the Shumarinai-Soeushinai area, Hokkaido, Part II. Prof. Saburo Kanno Memorial Vol., 167-183, pls. 21-22.