	Authors	Year	Title
	Barrande	1865	Systême Silurien du centre de la Bohême. I. Vol.II. Cephalopodes. Pl.1-107; Praha, Paris.
	Barrande	1867	Systême Silurien du centre de la Bohême. I. Vol.II. Texte. Classe des Mollusques. Ordre des Céphalopodes. I-XXXVI, 1-712; Praha, Paris.
	Chlupac & Turek	1983	Devonian goniatites from the Barrandian area, Czechoslovakia. Rozpravy Ustredniho ustavu geologického, 46: 1-159, fig.1-30, pl.1-32; Praha.
	Klug	2002	Quantitative stratigraphy and taxonomy of late Emsian and Eifelian ammonoids of the eastern Anti-Atlas (Morocco). Courier Forschungsinstitut Senckenberg, 238: 1-109, 44 fig., 13 pl., 23 tab., Frankfurt.