Late Jurassic (Upper Kimmeridgian) gastropods from Saal near Kelheim (Germany, Bavaria) Author Gründel, Joachim Institut für Geowissenschaften, Fachrichtung Paläontologie, Freie Universität Berlin, Malteserstraße 74 – 100, 12249 Berlin, Germany Author Nützel, Alexander 0000-0002-8852-7688 SNSB-Bayerische Staatssammlung für Paläontologie und Geologie, Richard-Wagner-Str. 10, 80333 München, Germany & Department of Earth and Environmental Sciences, Paleontology and Geobiology, Ludwig-Maximilians-Universität München, Richard-Wagner-Str. 10, 80333 München, Germany text Zitteliana 2024 2024-12-11 98 19 72 journal article 10.3897/zitteliana.98.e138605 9FB6F185-9EA1-48EB-A5C9-632BD52A8B6F Heliacanthus ? sp. 2 Plate 4: figs 2–7 Material. 7 specimens , SNSB – BSPG 2016 XXI 1730 –1736. Description. Shell broadly trochiform with rapidly expanding whorls and gradate spire; one of the better preserved specimens 20 mm wide; earliest whorls clearly exposed due to rapid sinking of suture; whorls ornamented with spiral cords and axial ribs, with nodular intersections; last whorl with rapidly forming wide, oblique ramp; subsutural row of small tubercles; at least 5 slightly knobby spiral cords on ramp; strong keel delimits ramp; keel with rapidly enlarging tubercles (approximately 9 on the last whorl); whorl face below keel vertical and delimited abapically by second knobby keel; at least two weak knobby spiral cords between two keels; a third, somewhat weaker keel forms border to almost flat base; two weak, knobby spiral cords present between second and third keel; base incompletely preserved, covered with several spiral cords; growth lines approximately straight, prosocline; aperture very large, round. Remarks. Turbo ( Sarmaticus ) stephanophorus Zittel, 1873 is more slender, it has fewer nodes on the keels and on the base, there is only a single nodular spiral cord visible (= bordering spiral cord)