(1–2) Acrostylus? sp. 1., SNSB-BSPG 2021 XV 73, Saal (collection Lang), (original to Gründel 2017, fig. 13 C); (1) section of shell, height 23 mm; (2) lateral view, height 23 mm.

 
 
  Part of: Gründel J, Keupp H, Lang F, Nützel A (2022) Late Jurassic (Upper Kimmeridgian) Heterobranchia (Gastropoda) of the coral-facies of Saal near Kelheim and the viciniy of Nattheim (Germany). Zitteliana 96: 179-221. https://doi.org/10.3897/zitteliana.96.e84187