Authors	Year	Title
Miller	1936a	Iowa Devonian ammonoids. Proceedings of the Iowa Academy of Science, 43: 231-234, pl.1; Iowa City.
Miller	1936b	Devonic Ammonoids of Iowa. Pan-Amer. Geologist, 65: 336-338; Des Moines.
Miller	1938	Devonian ammonoids of America. Special Papers, Geological Society of America, 14: 1-262, fig.1-41, pl.1-39; Baltimore.