	Authors	Year	Title
	Becker, House & Menner	2000	Revision of ammonoid biostratigraphy in the Frasnian (Upper Devonian) of the Southern Timan (Northeast Russian Platform). [R.T.Becker,M.R.House,V.V.Menner & N.S.Ovnatanova]. Acta Geologica Polonica, 50: 67-97, 10 text-figs., 3 tabls., 4 pls., Warszawa.
	House	1978	Devonian amonoids from the Appalachians and their bearing on international zonation and corelation. Special Papers Paleontology, 21: 1-70, fig.1-12, pl.1-10; London.
	Korn & Klug	2002	Ammoneae Devonicae. In: Fossilium Catalogus, I: Animalia (edit. Riegraf,W.), Pars 138: 375 p., 238 fig., 4 tab., Leiden (Backhuys Publ.).