Authors Year Title
Becker & House 1993 New early Upper Devonian (Frasnian) goniatite genera and the evolution of the "Gephurocerataceae".
Berliner geowissenschaftliche Abhandlungen (E), 9: 111-133, fig.1-4, pl.1-2; Berlin.
Glenister 1958 Upper Devonian ammonoids from the Manticoceras Zone, Fitzroy Basin, Western Australia.
Journal of Paleontology, 32: 50-96, fig.1-17, pl.5-15; Tulsa, Okla.
Korn & Klug 2002 Ammoneae Devonicae.
In: Fossilium Catalogus, I: Animalia (edit. Riegraf,W.), Pars 138:
375 p., 238 fig., 4 tab., Leiden (Backhuys Publ.).