The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany) Author Korn, Dieter 286CA4F3-7EBC-4AEF-A66A-B2508D001367 Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany. dieter.korn@mfn.berlin Author Weyer, Dieter A09A1738-C70E-4F22-A069-8B7DB4A1753D Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany. dieter.weyer@t-online.de text European Journal of Taxonomy 2023 2023-07-19 882 1 230 http://dx.doi.org/10.5852/ejt.2023.882.2177 journal article 58033 10.5852/ejt.2023.882.2177 57d1d191-2bf5-4229-a0f5-9ab472a114a6 2118-9773 8177581 67C909E4-C700-4F8D-B8CE-5FD9B2C5D549
Table 90. Conch ontogeny of Weyerella molaris (Vöhringer, 1960) from Oberrödinghausen.
dmconch shapewhorl cross section shapewhorl expansion
2 mmthickly discoidal; subevolute to evolute (ww/dm ~0.55; uw/dm = 0.40–0.50)moderately depressed; moderately embracing (ww/wh ~1.85; IZR ~0.25)low (WER ~1.70)
5 mmthickly discoidal; subevolute to evolute (ww/dm ~0.55; uw/dm = 0.40–0.50)moderately depressed; moderately embracing (ww/wh ~1.65; IZR ~0.20)moderate (WER ~1.80)
10 mmthickly discoidal; subevolute (ww/dm ~0.55; uw/dm ~0.40)weakly depressed; strongly embracing (ww/wh ~1.40; IZR ~0.30)low (WER ~1.65)
20 mmthinly discoidal; subevolute (ww/dm ~0.40; uw/dm ~0.30)weakly depressed; strongly embracing (ww/wh ~1.05; IZR ~0.40)low (WER ~1.70)