Schlagintweit, F.; Missoni, S.; Lein, R.; Gawlick, H.-J. (2004). Rivularia barmsteinensis n. sp. and Rivularia ? loseri n. sp. - two new cyanophycean Algae from the Upper Jurassic–Lower Cretaceous of the northern Calcareous Alps (Germany/Austria). Jahrbuch der Geologischen Bundesanstalt. 144(2): 223-232.
Rivularia barmsteinensis n. sp. and Rivularia ? loseri n. sp. - two new cyanophycean Algae from the Upper Jurassic–Lower Cretaceous of the northern Calcareous Alps (Germany/Austria)