basis of recordManda, Š.; Turek, V. (2009). Revision of the Pragian Rutoceratoidea Hyatt, 1884 (Nautiloidea, Oncocerida) from the Prague Basin. <em>Bulletin of Geosciences.</em> 84 (1): 127-148., available online athttp://www.geology.cz/bulletin/fulltext/bullgeosci841_1118.pdf page(s): 141 [details]