	Authors	Year	Title
	Bogoslovsky	1981	Devonskie ammonoidei, III. Klimenii (Podotryad Gonioclymeniina). Trudy paleont. Inst., 191: 1-122, fig.1-50, pl.1-16; Moskva.
	House	1985	Class Cephalopoda. In: Murray,J.W. (Ed.): Atlas of invertebrate macrofossils.- 114-152, fig.6.7.1-6.7.25, pl.6.7.1-6.7.127; New York.
	Korn	1981b	Cymaclymenia - eine besonders langlebige Clymenien-Gattung (Ammonoidea, Cephalopoda). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 161 (2): 172-208, fig.1-24; Stutgart.
	Price	1982	Some Famennian (Upper Devonian) ammonoids from north western Europe. [unpublished dissertation, Hull]. Unpubl.Ph.D. Thesis,I-XXV,1-460,fig.1.1-1.7,fig.3.1-3.3,fig.4.1-4.16, fig.5.1-5.35, fig.6.1, fig.7.1-7.21, fig.8.1-8.2, pl.5.1-5.42, pl.7.1-7.6; Hull.
	Selwood	1960	Ammonoids and Trilobites from the Upper Devonian and lowest Carboniferous of the Launceston area of Cornwall. Palaeontology, 3 (2): 153-185, fig.1-8, pl.26-29; London.