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Systematophora valensii

Year	Author	Title
1989	Courtinat, B.	Les organoclastes des formations lithologiques du Malm dans le Jura Méridional. Systhématique, biostratigraphie et éléments d'interpretation paléoécologique
1972	Eisenack, A. and Kjellström, G.	Katalog der Fossilen Dinoflagellaten, Hystrichosphären und Verwandten Mikrofossilien. Band II. Dinoflagellaten. III
1997	Riding, J.B., Thomas, J.E.	Marine palynomorphs from the Staffin Bay and Staffin Shale formations (Middle-Upper Jurassic) of the Trotternish Peninsula, NW Skye
1960a	Sarjeant, W.A.S.	New Hystrichospheres from the Upper Jurassic of Dorset
1961b	Sarjeant, W.A.S.	Systematophora Klement and Polystephanosphaera Sarjeant
1990	Stancliffe, R.P.W. and Sarjeant, W.A.S.	The complex chorate dinoflagellate cysts of the Bathonian to Oxfordian (Jurassic): their taxonomy and stratigraphic significance