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

(1–9) Rugalindrites cylindracea (Cornuel, 1841). (1) SNSB-BSPG 2021 XV 93, Saal (collection Lang), lateral view, height 5 mm. (2) SNSB-BSPG 2021 XV 94, Saal (collection Lang), apical view, width 5.5 mm. (3–4) Saal (collection Lang), lateral and apical views (specimen lost). (5) SNSB-BSPG 2021 XV 95, Saal (collection Lang), aperture, height 3.5 mm. (6–7) SNSB-BSPG 2021 XV 96, Saal (collection Lang); (6) lateral view, height 8.5 mm; (7) aperture, height 3.5 mm. (8–9) SNSB-BSPG 2021 XV 97, Saal (collection Lang); (8) aperture, height 6 mm; (9) lateral view, height 9.5 mm. (10–12) Rugalindrites sp. 1, SNSB-BSPG 2021 XV 98, Saal (collection Lang); (10) lateral view, height 5.5 mm; (11) apical view, width 2.5 mm; (12) detail of ornament, height ca. 1.3 mm.