Authors Year Title
Chlupac & Turek 1977 New cephalopods (Ammonoidea, Bactritoidea) from the Devonian of the Barrandian area, Czechoslovakia.
Vestnik Ustredn. ustavu geol., 52 (1979): 303-306, fig.1, pl.1-4; Praha.
Chlupac & Turek 1983 Devonian goniatites from the Barrandian area, Czechoslovakia.
Rozpravy Ustredniho ustavu geologického, 46: 1-159, fig.1-30, pl.1-32; Praha.
Foord & Crick 1897 Catalogue of the fossil Cephalopoda in the British Museum (Natural History). Part III, containing the Bactritidae and part  of the Suborder Ammonoidea).
pp.I-XXXIII, 1-303, 145 figs., London.
Wedekind 1918 Die Genera der Palaeoammonoidea (Goniatiten). (Mit Ausschluß der Mimoceratidae, Glyphioceratidae und Prolecanitidae).
Palaeontographica, 62: 85-184, fig.1-54, pl.14-22; Stuttgart.