Saalensia birugata Gründel, Keupp & Lang, 2019

Gründel, Joachim & Nützel, Alexander, 2024, Late Jurassic (Upper Kimmeridgian) gastropods from Saal near Kelheim (Germany, Bavaria), Zitteliana 98, pp. 19-72 : 19-72

Saalensia birugata Gründel, Keupp & Lang, 2019

Plate 8: fig. 1

2019 Saalensia birugata n. sp. – Gründel, Keupp and Lang: 101, pl. 1, figs 10–16 (here more chresonymy and synonymy).

2020 b Saalensia birugata Gründel, Keupp and Lang – Gründel, Hostettler and Menkveld-Gfeller: 111, pl. 1, figs 10–12.

Material.

22 specimens, illustrated specimen SNSB-BSPG 2016 XXI 1779 .

Remarks.

The weakening of the abapical strong spiral cord can begin in relatively early whorls. The adapical spiral cord then protrudes.

Figures

Plate 8. (1) Saalensia birugata Gründel, Keupp & Lang, 2019, SNSB-BSPG 2016 XXI 1779, lateral view, height 16 mm. (2–4) Loriolotrema sp., SNSB-BSPG 2016 XXI 1780, apertural, apical and basal view, width 18 mm. (5) Brachytrematidae? gen. and sp. indet., SNSB-BSPG 2016 XXI 1781, abapertural view, height 29 mm. (6, 7) Oonia kimmeridgiensis sp. nov., holotype, SNSB-BSPG 2016 XXI 1791, apertural and abapertural, height 18 mm. (8, 9) Globularia? sp., SNSB-BSPG 2016 XXI 1794, abapertural and oblique lateral view, width 42 mm. (10, 11) Pictavia? sp., SNSB-BSPG 2016 XXI 1790, abapertural and oblique abapertural view, height 20 mm. (12) Eustoma sp., SNSB-BSPG 2016 XXI 1801, apertural view, height 24 mm. (13, 14) Eustoma sp., SNSB-BSPG 2016 XXI 1802, (13) lateral view, height 31 mm, (14) basal view, width 10 mm. (15–17) Eustoma? gracilis sp. nov., holotype, SNSB-BSPG 2016 XXI 1804, (15–16) basal and lateral view, width 18 mm, (17) detail of ornament of last whorl, height 15 mm.