Authors Year Title
Archiac & Verneuil 1842 On the Fossils of the Older Deposits in the Rhenish Provinces; preceded by a general Survey of the Fauna of the Palaeozoic Rocks, and folowed by a Tabular List of the Organic Remains of the Devonian
Transactions of the geological Society of London, (2) 6: 303-410, pl.25-38; London.
House 1962 Observations on the ammonoid succesion of the North American Devonian.
Journal of Paleontology, 36: 247-284, fig.1-15, tab.1-3, pl.43-48; Tulsa, Okla.
House & Pedder 1963 Devonian goniatites and stratigraphical correlations in Western Canada.
Palaeontology, 6: 491-539, fig.1-15, pl.70-77; London.
Kayser 1872 Studien aus dem rheinischen Devon. III. Die Fauna des Rotheisensteins von Brilon in Westfalen.
Zeitschrift der Deutschen Geologischen Gesellschaft, 24: 653-690, fig.1-6, pl.25-27; Berlin.
Walliser 1970 Über die Runzelschicht bei Ammonoidea.
Göttinger Arbeiten zur Geologie/Paläontologie, 5 (H. Martin-Festschrift): 115-126, fig.1-5, pl.1-4; Göttingen.