FIGURE 11 in Revision of the Bivalvia from the Upper Jurassic Reuchenette Formation, Northwest Switzerland—Ostreoidea

FIGURE 11. Nanogyra (Nanogyra) auricularis (Münster in Goldfuss, 1833)(b) and N. (N.) rivelensis (de Loriol, 1904). 1–2. N. (N.) auricularis, Amberg, Hettangian, Lower Lias. 1. LV lateral, reversely? (mirrored) drawn original in Goldfuss (1833(b), pl. 79, fig. 7a). 2. RV lateral (original, pl. 79, fig. 7b). 3–8. Nanogyra (N.) rivelensis. 3–5. Ostrea striata Münster in Goldfuss, 1833(b) (pl. 80, figs. 7a–c), senior synonym. 3. RV lateral (pl. 80, fig. 7b), Streitberg, Germany, Oxfordian. 4. RV interior (pl. 80, fig. 7c). 5. LV lateral (pl. 80, fig. 7a). 6. "Ostrea" rivelensis; RV lateral, original figure in de Loriol (1904, pl. 25, fig. 11), Mont Rivel, Oxfordian. 7. N. (N.) rivelensis. RV lateral, FPJ 750, Vue des Alps, Canton Neuchâtel, Switzerland, antecedens Subzone, Middle Oxfordian. 8. RV interior, same as 7. All scale bars 10 mm.