	Authors	Year	Title
	Bogoslovsky	1960	Novye predstavateli nekotorykh maloizvest'nikh rodov devonskikh ammonoidey iz famenskikh otlozheniy Urala. Paleontologicheskiy Zhurnal, 1960 (4): 69-73, fig.1-3, pl.7; Moskva.
	Miller & Collinson	1951	A clymenoid ammonoid from New Mexico. American Journal of Science, 249: 600-603, fig.1; New Haven.
	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 [unpublished dissertation, Hull].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.