Data and Supporting Information for publication "Die Mikrobialithbank des Jurensismergels von Ohmden (Toarcium, Baden-Württemberg): Mikrofazies, Geochemie und hexactinellide Schwämme" by Arp G. et al., Jahresberichte und Mitteilungen des Oberrheinischen Geologischen Vereins, Neue Folge

7 Figures (location map, section, isotope plot, polished sections and drawings), 3 Tables of geochemical data, and 1 Supplementary Figure (ammonites) of Lower Jurassic microbialite (Jurensismergel) of the Ohmden section (Lower Jurassic, Southern Germany).