Nerinea moreana (d’Orbigny, 1851)

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

Nerinea moreana (d’Orbigny, 1851)

Plate 12: figs 15–16, 17–18 ?

1851 – Nerinea moreana n. sp. – d’Orbigny: 100, pl. 257, figs 1–2.

? 1851 – Nerinea clymene n. sp. – d’Orbigny: 102, pl. 258, figs 1–3.

1855 – Nerinea moreana d’Orbigny : 351, pl. 3, figs 5–7.

1881–1884 – Nerinea moreana d’Orbigny – Quenstedt: 546, pl. 206, fig. 47.

1882 – Itieria moreana d’Orbigny – Schlosser: 82, pl. 12, figs 2–3.

1893 – Itieria moreana d’Orbigny ), Zittel – Loriol in Loriol and Lambert: 23, pl. 2, fig. 5.

1896 – Phaneroptyxis moreana (d’Orb.) – Cossmann: 22, pl. 2, fig. 1.

1898 – Phaneroptyxis moreana d’Orbigny – Cossmann: 14, pl. 2, figs 1–2.

1997 – Phaneroptyxis moreana (d’Orbigny, 1851) – Fischer and Weber 39, pl. 13, figs 3–4,? fig. 5.

Material.

Saal: 202 specimens; Saal, illustrated specimens SNSB-BSPG 2016 XXI 1901 –1902; 3 specimens from location 1, level 4 (“ Fundstelle 1, Sohle 4 ”).

Remarks.

This large, conspicuous species (the illustrated specimen is 85 mm high) is very common in the Sylla-collection, but is missing from the previously known material from Saal. According to d’Orbigny (1851: pl. 257: fig. 1), the row of nodes lies well below the adapical suture. However, the holotype of this species as reported by Fischer and Weber (1997: p. 40, pl. 13: fig. 3, lower Kimmeridgian, France) shows that the nodes are in a subsutural position, which can also be observed in the present material. Fischer and Weber (1997) gave a range from the middle Oxfordian to Portlandian for this species.

Nerinea moreana d’Orbigny sensu Buvignier (1852) (on p. 35 as Nerinea tornatella Buvignier , pl. 24: figs 10–12 - the specimen in fig. 13 probably does not belong to this species) is more slender and has fewer nodes per whorl. The shell shape possibly falls within the range of variation of the species N. moreana . Cerithium apicatum Eichwald, 1861 is more slender, the spire is significantly higher in relation to the height of the last whorl, the axial ribs run from suture to suture and the entire shell is covered with numerous weak spiral threads. Nerinea moreana d’Orbigny sensu Gemmellaro (1870) is partly broader (pl. 3: fig. 6), partly more slender (pl. 4: fig. 6) than the typical form from Central and Western Europe (a variable species or several different species).

Nerinea moreana was assigned to Phaneroptyxis by Cossmann (1896, 1898) and Fischer and Weber (1997) but Kollmann (2014) pointed out that Phaneroptyxis is a junior synonym of Nerinea .

Figures

Plate 12. (1, 2) Aphanoptyxis sinerugae sp. nov., holotype, SNSB-BSPG 2016 XXI 1891, (1) lateral view, height 98 mm, (2) basal view, width 40 mm. (3) Aphanoptyxis sinerugae sp. nov., paratype, SNSB-BSPG 2016 XXI 1892, columellar section, height 32 mm. (4–5) Pseudonerinea? pseudomelaniformis Gründel, Keupp, Lang & Nützel, 2022, SNSB-BSPG 2016 XXI 1894, abapertural and apertural lateral views, height 32 mm. (6) Pseudonerinea? pseudomelaniformis Gründel, Keupp, Lang & Nützel, 2022, SNSB-BSPG 2016 XXI 1895, lateral view, height 30 mm. (7) Nerinea donosa Gründel, Keupp, Lang & Nützel, 2022, SNSB-BSPG 2016 XXI 1896, lateral view, height 18 mm. (8–10) Nerinea donosa Gründel, Keupp, Lang & Nützel, 2022, SNSB-BSPG 2016 XXI 1897, (8, 10) lateral and basal view (9) detail of last whorl in lateral view, height of shell 19.5 mm, width 8 mm. (11) Nerinea donosa Gründel, Keupp, Lang & Nützel, 2022, SNSB-BSPG 2016 XXI 1898, lateral view, height 30 mm. (12) Nerinea donosa Gründel, Keupp, Lang & Nützel, 2022, SNSB-BSPG 2016 XXI 1899, lateral view, height 26 mm. (13, 14) Nerinea donosa Gründel, Keupp, Lang & Nützel, 2022, SNSB-BSPG 2016 XXI 1900, lateral and basal view, height 37 mm, width 11 mm. (15, 16) Nerinea moreana (d’Orbigny, 1851), SNSB-BSPG 2016 XXI 1901, abaperurtal and apertural view, height 85 mm. (17, 18) Nerinea moreana (d’Orbigny, 1851)?, SNSB-BSPG 2016 XXI 1902, lateral view and columellar section, height 27 mm. (19) Endoplocus inflatus Gründel, Keupp, Lang & Nützel, 2022, SNSB-BSPG 2016 XXI 1903, lateral view, height 34 mm.