Authors Year Title
Davis, Landman & Dommergues 1996 Mature Modifications and Dimorphism in Ammonoid Cephalopods. [Davis,R.A., Landman, N.H., Dommergues, D.M., Marchand, D. & Bucher, H.]
In: Ammonoid Paleobiology, N.H.Landman, K.Tanabe & R.A.Davis [eds.], 463-539, 15 figs, 1 tabl., New York (Plenum).