Authors Year Title
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.
Korn 1988d Die Goniatiten des Kulmplattenkalkes (Cephalopoda, Ammonoidea; Unterkarbon; Rheinisches Schiefergebirge).
Geologie und Paläontologie in Westfalen, 11: 1-293, fig.1-88, pl.1-60; Münster.
Phillips 1836 Illustrations of the geology of Yorkshire, part II. The Mountain Limestone District.
I-XX, 1-259, pl.1-25; London.
Schmidt 1929 Tierische Leitfossilien des Karbon.
Gürich,G.: Leitfossilien, 6. Lief.: 1-107, pl.1-23; Berlin (Borntraeger).