Late Jurassic (Upper Kimmeridgian) Heterobranchia (Gastropoda) of the coral-facies of Saal near Kelheim and the viciniy of Nattheim (Germany)

Forty gastropod species of the subclass Heterobranchia are described from Upper Jurassic (Upper Kimmeridgian) reefal limestones South Germany, including ten in open nomenclature and further uncertain identity. Six new to science: Ceritella convexa sp. nov. , Nerinea donosa Endoplocus acutus inflatus Pseudonerinea ? pseudomelaniformis Itieroptygmatis cylindrata A lectotype is designated for Ptygmatis tornata (Quenstedt, 1852). With this final part study Late gastropods Saal Nattheim area, a total 156 have been reported. Of these species, 125 reported 54 area. Only 23 occur both The sample sizes (number specimens) area differ considerably few shared. Diversity metrics suggest same high diversity at sites. fauna quarry has yielded particularly much information – all based on specimens Saal. single outcrop, highest Kimmeridgian worldwide. In total, up 300 marine macro-invertebrates quarry, which very point diversity. Gastropods by far most diverse group Saal, modern aspect fauna.