	Authors	Year	Title
	Berry	1928	An ammonoid from the Carboniferous of Peru. American Journal of Science, (5) 15: 151-153, 2 figs.; New Haven, Conn.
	Miller	1934	Pseudoparalegoceras, a new genus of Carboniferous ammonoids. Journal of Paleontology, 8 (1): 18-20, pl.2; Tulsa, Oklahoma.