Authors Year Title
Becker 1985 Devonische Ammonoideen aus dem Raum Hohenlimburg-Letmathe (Geologisches Blatt 4611 Hohenlimburg).
Dortmunder Beiträge zur Landeskunde, naturwissenschaftliche Mitteilungen, 19: 19-34, fig.1-3, tab.1; Dortmund.
Göddertz 1987 Devonische Goniatiten aus SW-Algerien und ihre stratigraphische Einordnung in die Conodonten-Abfolge.
Palaeontographica, Abt.A., 197 (4-6): 127-220, fig.1-42, pl.1-15; Stuttgart.
House 1956 Devonian Goniatites from North Cornwall.
Geological Magazine, 9342: 257-262, fig.1; London.
House 1960 Abnormal growths in some Devonian goniatites.
Palaeontology, 3: 129-136, fig.1-4, pl.24; 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 1963 Devonian ammonoid successions and facies in Devon and Cornwall.
Quarterly Journal of the Geological Society of London, 119: 1-27, fig.1-8, pl.1-4; London.
House & Ziegler 1977 The Goniatite and Conodont sequences in the early Upper Devonian at Adorf, Germany.
Geologica et Palaeontologica, 11: 69-108, fig.1-4, pl.1-6; Marburg.
House 1978 Devonian amonoids from the Appalachians and their bearing on international zonation and corelation.
Special Papers Paleontology, 21: 1-70, fig.1-12, pl.1-10; London.
Klug, Korn & Reisdorf 2000 Ammonoid and conodont stratigraphy of the late Emsian to early Eifelian (Devonian) at the Jebel Ouaoufilal (near Taouz, Tafilalt, Morocco).
Travaux de l'Institut Scientifique, Rabat. Série Géologie & Géographie Physique, 20: 45-56, 4 text-figs., 2 pls., Rabat.
Termier & Termier 1950 Paléontologie Marocaine. II. Invertébrés de l'ére Primaire. Fascicule III. Mollusques.
Service géologique Protect. Rep. franc. Maroc, Notes et Mém., 78: 1-246, pl.123-183; Paris.
Whidborne 1890 A monograph of the Devonian fauna of the south of England. Part II. The fauna of the limestones of Lummaton, Wolborough, Chircombe Bridge, and Chudleigh.
Palaeontological Society, 43: 47-154, pl.5-15; London.