	Authors	Year	Title
	Gordon	1986	Late Kinderhookian (Early Mississippian) Ammonoids of the Western United States. Journal of Paleontology, Mem. 19: 1-36, fig.1-12, tab.1-6; Tulsa, Okla.
	Korn & Feist	2007	Early Carboniferous ammonoid faunas and stratigraphy of the Montagne Noire (France). Fossil Record 10 (2) (2007): 99-124, 20 fig.