FIGURE 12 in Revision of the Bivalvia from the Upper Jurassic Reuchenette Formation, Northwest Switzerland—Ostreoidea

FIGURE 12. Nanogyra?(Palaeogyra) fourtaui (Stefanini, 1925), Antalo Limestone, Mekele Outlier of northern Ethiopia, Oxfordian. 1–5. Refigured after original photographs of Kiessling et al. 2011, determined as Nanogyra nana: 1, bivalved specimen, RV lateral (= Kiessling et al. 2011, text-fig. 13-I-left), PaleoDB 93860 (MB.M.8125.1); 2, same, LV (= text-fig. 13- I-right); 3, same, magnified portion of RV; 4, bivalved specimen, RV (= Kiessling et al. 2011, text-fig. 13-J-left), PaleoDB 93860 (MB.M.8125.2.); 5, same, LV (= text-fig. 13-J-right). Scale bars 2 mm and 5 mm.