1. Abel, O. 1916. Paläobiologie der Cephalopoden aus der Gruppe der Dibranchiaten, 281. Jena: Gustav Fischer.
2. Bardin, J., I. Rouget, M. Benzaggagh, F.T. Fürsich, and F. Cecca. 2014. Lower Toarcian (Jurassic) ammonites of the South Riffian ridges (Morocco): systematics and biostratigraphy. Journal of Systematic Palaeontology. doi: 10.1080/14772019.2014.937204 . (published online 20.08.2014).
3. Bayle, E. 1878. Fossiles principaux des terrains. Atlas: Explication de la carte géologique de France, 4/1.
4. Bilotta, M., F. Venturi, and S. Sassaroli. 2010. Ammonite faunas, OAE and the Pliensbachian—Toarcian boundary (Early Jurassic) in the Apennines. Lethaia 43(3): 357–380.
5. Blakey, R. 2010. Mollewide plate tectonic maps (Early Jurassic 200 Ma). http://cpgeosystems.com/200moll.jpg . Accessed 01 Sept 2014.